Knowledge check.

- Choose one best answer from given 4 choices for each questions.
- Review before submit as you wont get a chance to review after submit.
- Max Time for quiz is 30 mins and Exam is 90 mins.
- Login is not required for an exam or a quiz.
- By submitting you formally acknowledge and accept terms and conditions mentioned here. Give the output of the following code snippet :

struct node
{
    int data;
    struct node *next;
    struct node *prev;
}*head;

void func( int num )
{
    struct node *temp,*temp2;
    if (head== NULL)
    {
        temp=(struct node *)malloc(sizeof(struct node));
        temp->data=num;
        temp->next=NULL;
        temp->prev=NULL;
        head=temp;
    }
    else
    {
        temp=head;
        while (temp->next!=NULL)
            temp=temp->next;
        temp2=(struct node *)malloc(sizeof(struct node));
        temp2->data=num;
        temp2->next=NULL;
        temp->next=temp2;
        temp2->prev=temp;
    }

}


void Delete(int num)
{
    struct node *temp;
    temp=head;
    while(temp!=NULL)
    {
        if(temp->data==num)
        {
            if(temp==head)
            {
                head=head->next;
                head->prev=NULL;
            }
            else
            {
                if(temp->next==NULL)
                    temp->prev->next=NULL;
                else
                {
                    temp->next->prev=temp->prev;
                    temp->prev->next=temp->next;

                }
            }
            free(temp);
            return;
        }
        temp= temp->next;
    }
}



void  display()
{
    struct node *r;
    r=head->next;
    while(r!=NULL)
    {
        printf("%d ",r->data);
        r=r->next;
    }
    printf("\n");
}

void main()
{
    func(100);
    func(200);
    func(300);
    func(400);
    Delete(100);
    Delete(300);
    Delete(400);
    func(500);
    display();
}

200 500

500 200

200

500

Give the output of the following code snippet :

struct stud
{
    int age;
    char *name;
}*stud[10];
void main()
{
    printf("%d",sizeof(stud));
}

8

10

80

40

Give the output of the following code snippet :

void main()
{
    int row=2,col=2;
    int **arr;
    int i,j;
    arr=(int**)malloc(row*sizeof(int));
    for(i=0; i< row; i++)
        arr[i]=(int*)malloc(col*sizeof(int));
    for(i=0; i< row; i++)
    {
        for(j=0; j< col; j++)
        {
            arr[i][j]=i+j;
            printf("%d ",arr[i][j]);
        }
    }
    free(arr);
    printf("%d",sizeof(arr));
}

0 0 1 1 0

0 1 2 3 8

0 1 1 2 4

Compilation error

Give the output of the following code snippet :

int main()
{
    const char *s;
    char str[] = "SourceLens";
    s = str;
    printf("%s", s);
}

SourceLens

Garbage Value

No output

Runtime error

Give the output of the following code snippet with the following command line arguments : >Test.c Hello World

int main(int argc, char *argv[])
{

    printf("%s\n", argv[argc]);
    return 0;
}

Hello

World

Test.c

Null

Give the output of the following code snippet :

int main()
{
    int (*ptr);
    int val=10;
    ptr=&val;
    printf("%d",*ptr);
}

10

Compilation error

Garbage value

0

Give the output of the following code snippet :

int main()
{
    int a=10, b=20,*ptr,*qtr;
    ptr=&a;
    qtr=&b;
    *ptr=b+++--a;
    *qtr=*ptr+a++;
    printf("%d %d %d", a,*ptr,*qtr);
    return 0;
}

30 40 55

30 45 56

30 30 58

20 30 45

Give the output of the following code snippet :

struct point
{
    int x;
    int y;
};
void fun(struct point p[])
{
    printf("%d %d\n", p->x, ++(p + 1)->y);
}
int main()
{
    struct point p1[] = {1, 2, 3, 4, 5};
    fun(p1);
}

1 3

1 5

2 4

2 5

Give the output of the following code snippet :

struct p
{
    int x;
    int y;
};
int main()
{
    struct p p1[] = {1, 2, 3, 4, 5, 6};
    struct p *ptr1 = p1;
    printf("%d %d\n", ++ptr1->x, ++(ptr1 + 2)->x);
}

2 5

3 6

2 6

3 5

Give the output of the following code snippet :

int f(int i)
{
    int sum=0;
    _asm
    {
        mov         dword ptr [sum],0C8h
        mov         eax,dword ptr [i]
        add         eax,0Ah
        mov         dword ptr [i],eax
        mov         ecx,dword ptr [sum]
        add         ecx,dword ptr [i]
        mov         dword ptr [sum],ecx
        mov         eax,dword ptr [sum]
    }
}

void main()
{
    int a;
    int(*fptr)(int) = f;
    _asm
    {
        push        0Ah
        call        dword ptr [fptr]
        add         esp,4
        mov         dword ptr [a],eax
    }
    printf("%d", a);
}

200

240

220

210

Give the output of the following code snippet :

int f(int i)
{
    _asm
    {
        mov         eax,dword ptr [i]
        add         eax,6Ah
        add		  eax,0Fh
        mov         ebx,2Ch
        and		  eax,ebx
        xor		  eax,ebx
        mov         dword ptr [i],eax
        mov         eax,dword ptr [i]
    }
}

void main()
{
    int a;
    int(*fptr)(int) = f;
    _asm
    {
        push        0Fh
        call        dword ptr [fptr]
        add         esp,4
        mov         dword ptr [a],eax
    }
    printf("%d", a);
}

46

36

57

78

Give the output of the following code snippet :

void main()
{
    int a=100,c=0,b=0;
    _asm
    {
        mov eax,-15
        mov ebx,a
        sub eax,ebx
        mov b,eax
        add eax,a
        jns Label1
        mov c,ebx
    }
Label1: printf("%d %d",b,c);
}

115 0

-115 100

-115 200

115 -200

Give the output of the following code snippet :

int main()
{
    int ary[4] = {1, 2, 3, 4};
    int *p = ary;
    printf("%d\n", *p);
}

1

2

Garbage value

Compilation error

Give the output of the following code snippet :

void print(int num,va_list marker);
void disp(int num,...)
{
    va_list val;
    va_start(val,num);
    print(num,val);
}
void print(int num,va_list marker)
{
    int i,k,j;
    for(i=0; i< num; i++)
    {
        j=va_arg(marker,int);
        printf("%d ",j);
    }
    va_end(marker);
}
int main(int argc, char *argv[])
{
    disp(4,10,20,30);
}

10 20 30 0

100 10 20 30

10 10 10

Compilation error

Give the output of the following code snippet :

struct student
{
    char *name;
};
void func(struct student *s)
{
    strcpy(s.name,"Jenn");
    printf("%s\t", s.name);
}
void main()
{
    struct student *s;
    func(s);
}

Jenn

No output

Null

Compilation error

Give the output of the following code snippet :

struct student
{
    char a[10];
};
void main()
{
    struct student s[] = {"Hello", "World"};
    printf("%c", s[0].a[1]);
}

e

l

r

o

Give the output of the following code snippet :

int main()
{
    float x = 0.3;
    int y=10;
    if (x == 0.3f)
        printf("%f",2*3+6/3.0);
    else
        printf("%f",2*3+6*3.0);
}

8

8.000000

24

24.000000

Give the output of the following code snippet :

int print(int num,...)
{
    int sum=0, count=0,i,j,k;
    va_list marker;
    va_start(marker,num);
    for(i=0; i< num; i++)
    {
        j=va_arg(marker,int);
        printf("%d ",j);
        k=va_arg(marker,char);
        printf("%c ",k);
    }
    va_end(marker);
    return sum;
}
int main(int argc, char *argv[])
{
    print(2,'X','Y');
}

X Y

88 89

88 Y 0

Compilation error

Give the output of the following code snippet :

union p
{
    int x;
    char y;
};
int main()
{
    union p p1[] = {1, 92, 3, 94, 5, 96};
    union p *ptr1 = p1;
    int x = (sizeof(p1) / 6);
    if (x == sizeof(int))
        printf("%d\n", p1[4].x);
    else
        printf("%d\n", p1[0].y);
}

3

94

5

96

Give the output of the following code snippet :

void main()
{
    int a=20,c=10,b=0;
    _asm
    {
        mov eax,-20
        mov ebx,a
        cmp eax,dword ptr[c]
        je Label2
        mov b,eax
        Label2:
        mov ecx,c
        or eax,ecx
        mov c,eax

    }
    printf("%d %d",b,c);
}

-20 10

-20 -10

20 18

-20 -18

Give the output of the following code snippet :

int main()
{

    int arr[5]= {20,10,5,0,1};
    int arry2[]= {*arr,*arr+2,*arr+3,*arr+4};
    int *p;
    p=arry2;
    ++(*arry2);
    ++p;
    arr[1]=10;
    arry2[2]=++(*arr);
    printf("%d %d",*p,(*arr)+++(*arry2));

}

22 42

23 42

23 44

21 40

Give the output of the following code snippet :

void main()
{
    int (*arr)[3];
    int arry[3]= {1,2,3};
    arr=&arry;
    printf("%d",*(*arr)+1);
}

Address of arry

2

3

Compilation error

Give the output of the following code snippet :

void main()
{
    char str1[15]="Hello World";
    char *str="Yellow";
    str1[5]='\0';
    printf("%s",str1);
}

HelloWorld

Hello

Yellow

Runtime error

Give the output of the following code snippet :

void main()
{
    char a[10][6] = {"Hello","Jello","Yello"};
    printf("%s ", a);
    printf("%s", a[0]);
}

Address of a Hello

Hello Hello

H H

Compilation error

Give the output of the following code snippet :

int main()
{
    struct u
    {
        unsigned char x : 1;
        unsigned int y : 35;
    } p;
    struct u un;
    un.y = 100;
    printf("%d\n", un.y);
}

100

0

Garbage value

Compilation error

Give the output of the following code snippet :

typedef struct stud
{
    int no;
    int no2;
    studobj *link;
} studobj;

void main()
{
    studobj s=(studobj *)malloc(sizeof(struct studobj));
    s->no=10;
    printf("%d",s->no);
}

10

No output

Compilation error

Garbage value

Give the output of the following code snippet :

int main()
{
    int a = 20, b = 10,c=2;
    _asm
    {
        mov eax,100
        push eax
        push ebx
        mov ecx,esp
        sub ebx,ecx
        pop eax
        pop ebx
        mov a,eax
        mov b,ebx
    }
    printf("%d %d",a,b);
}

100 0

100 100

0 100

0 0

Give the output of the following code snippet :

struct point
{
    int x;
    int y;
    int z;

};
int main()
{
    int* offset=&(((point*)0).z);
    printf("%d",offset);
}

4

7

8

Compilation error

Give the output of the following code snippet :

void f(float i)
{
    printf("%d\n", i);
}
void (*fptr)(float) = f;
void main()
{
    fptr(100);
}

0.000000

0

No output

Compilation error

Give the output of the following code snippet :

void main()
{
    char str[12]="Hello world";
    char *str1="Yellow World";
    str[5]='L';
    printf("%s",str);

}

Hello Lorld

HelloL

HelloLworld

HelloLWorld

Give the output of the following code snippet :

void main()
{
    int k = 10;
    int *p = &k;
    int **m  = &p;
    printf("%d %d %d\n", k, *p, *m);
}

10 Address of k Address of p

10 10 Address of p

10 10 Address of k

Compilation error

Give the output of the following code snippet :

int main()
{
    int a = 10, b = 20, c;
    _asm
    {
        mov eax,a
        mov ebx,b
        div ebx
        mov dword ptr[a],ebx
        mov dword ptr[b],eax
    }
    printf("%d %d",a,b);
}

10 20

20 10

10 0

20 0

Give the output of the following code snippet :

int main()
{
    int i=2,*p;
    p=&i;
    *p=*p+2;
    printf("%d",*p++);
}

2

4

5

6

Give the output of the following code snippet :

int sum(int first,...)
{
    int sum=0, count=0,i=first;
    va_list marker;
    va_start(marker);
    while(i!=-1)
    {
        sum+=i;
        count++;
        i=va_arg(marker,int);
    }
    va_end(marker);
    return sum;
}


int main(int argc, char *argv[])
{
    printf("%d",sum(2,3,4,-1));
}

8

9

Garbage value

Compilation error

Give the output of the following code snippet : Assume the array begins at the following address 5000

int main()
{

    int arr[5]= {20,10,5,0,1};
    int arry2[]= {*arr,*arr+2,*arr+3,*arr+4};
    printf("%u %u",arr+1,&arr+1);

}

5000 5004

5000 5005

5004 5020

5004 5010

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])

{
    int a = 0, b =0, c=0,d=0;
    __asm
    {
        push 10
        push 20
        mov ebx,30
        mov eax, 40
        mov ecx,60
        push 50
        push 70
        push 80
        call label1
        add eax,ebx
        mov a,eax
        mov b,ebx
        add esp, 20
        jmp Label2
        label1:
        mov eax, dword ptr[esp + 8]
        mov a, eax
        add a, ebx
        mov eax, dword ptr[esp + 12]
        mov b, eax
        mov eax, dword ptr[esp + 20]
        xor edx,ecx
        mov c,eax
        sub edx,ecx
        add edx,10
        mov d,edx
        ret
    }
Label2:
    printf("%d %d %d %d", a, b, c, d);

}

50 30 30 10

40 30 10 10

40 20 30 -40

60 40 30 -10

Give the output of the following code snippet :

int main()
{
    char *MemAlloc;
    MemAlloc = (char*)calloc(20,sizeof(char) );
    strcpy( MemAlloc,"Hello");
    printf("%s",MemAlloc+3);
}

Hello

llo

lo

Compilation error

Give the output of the following code snippet :

#define valx 2
#define valy 2
#define valz 2
void main()
{
    int ***arr;
    int i,j,k;
    arr=(int***)malloc(valx*sizeof(int**));
    for(i=0; i< valx; i++)
    {
        arr[i]=(int*)malloc(valy*sizeof(int*));
        for(j=0; j< valy; j++)
            arr[i][j]=(int*)malloc(valz*sizeof(int));
    }
    for(k=0; k< valz; k++)
    {
        for(i=0; i< valx; i++)
        {
            for(j=0; j< valy; j++)
            {
                arr[i][j][k]=i+j+k;
                printf("%d ",arr[i][j][k]);
                break;
            }
        }
    }
}

0 0 0 1 1 1 2 3

0 0 1 2

0 1 1 2

Compilation error

Give the output of the following code snippet :

void f(int a[2][])
{
    a[0][1] = 3;
    int i = 0, j = 0;
    for (i = 0; i <  2; i++)
        for (j = 0; j <  2; j++)
            printf("%d ", a[i][j]);
}
void main()
{
    int a[2][3] = {0};
    f(a);
}

0 3 0 0

Garbage 3 Garbage Garbage

0 0 0 0

Compilation error

Give the output of the following code snippet :

void main()
{
    int row=2,col=2;
    int *arr;
    int i,j;
    arr=(int*)malloc(row*col*sizeof(int));
    for(i=0; i< row; i++)
    {
        for(j=0; j< col; j++)
        {
            arr[i*col+j]=i+j;
            printf("%d ",arr[i*col+j]);
        }
    }

}

0 0 1 1

0 1 2 3

0 1 1 2

Compilation error

Give the output of the following code snippet :

int main()
{
    int a = 10, b = 20,c=5;
    _asm
    {
        mov eax,a
        mov ebx,b
        or ebx,c
        mov ecx,eax
        and ecx,ebx
        mov c,ecx

    }
    printf("%d",c);
}

10

5

0

21

Give the output of the following code snippet :

void main()
{
    int a=100;
    int b=200;
    char *c="12.50";
    char str[10],st[10];
    int x;
    float val=10.25;
    float res=atof(c)+val;
    itoa(100,st,16);
    printf("%s %.2f",st,res);
}

100 22

64 22.75

100 22.750000

Compilation error

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])

{
    int a = 0, b =0, c=0;
    __asm
    {
        push 10
        push 20
        push 30
        push 40
        mov ebx,30
        mov eax, 40
        mov ecx,label1
        call ecx
        add esp, 8
        mov edx,Label2
        mov dword ptr[c],edx
        jmp dword ptr[c]
        label1:
        mov eax, dword ptr[esp + 4]
        mov a, eax
        mov eax, dword ptr[esp + 8]
        mov b, eax
        mov eax, dword ptr[esp + 12]
        mov c,ebx
        ret

        Label2:mov c,ebx
        mov b,200
    }
    printf("%d %d %d", a, b, c);

}

10 200 30

40 200 30

20 10 30

Runtime error

Give the output of the following code snippet :

int main()
{
    float x=0.3,y=10.89,z=20.68;
    if( x == 0.3)
        printf("%.0f",fmod(z,y));
    else
        printf("%.0f",fmod(y,z));
}

11

9.00

10.89

10.79

Give the output of the following code snippet :

struct node
{
    int x;
    struct node *next;
}*Head;

void ReverseList()
{
    node *temp1,*temp2,*temp3;
    temp1=Head;
    temp2=NULL;
    while(temp1!=NULL)
    {
        temp3=temp2;
        temp2=temp1;
        temp1=temp1->next;
        temp2->next=temp3;
    }
    Head=temp2;
}
void AddNode( int num )
{
    struct node *temp;
    temp=(struct node *)malloc(sizeof(struct node));
    temp->x=num;
    temp->next=Head;
    Head=temp;

}
void  Display()
{
    struct node *r;
    r=Head->next;
    while(r->next!=NULL)
    {
        printf("%d ",r->x);
        r=r->next;
    }
    printf("\n");
}

int main()
{
    AddNode(10);
    AddNode(5);
    AddNode(6);
    AddNode(100);
    AddNode(200);
    ReverseList();
    Display();
}

5 6 100

100 5 6

200 100 10 5

Compilation error

Give the output of the following code snippet :

void convertToBinary(int val)
{
    for (int c = 7; c >= 0; c--)
    {
        int k = val >> c;

        if (k & 1)
            printf("1");
        else
            printf("0");
    }
}
int main()
{
    convertToBinary(20);

}

00011010

00010100

00011000

00010110

Give the output of the following code snippet :

int DecimalToOctal(long quotient)
{
    long remainder;
    int octalNumber[100], i = 1, j;
    while (quotient != 0)
    {
        octalNumber[i++] = quotient % 8;
        quotient = quotient / 8;
    }
    for (j = i - 1; j > 0; j--)
        printf("%d", octalNumber[j]);
    return 0;
}
void main()
{
    DecimalToOctal(800);
}

1340

1440

1240

1430

Give the output of the following code snippet :

struct student
{
    int mark1;
    int mark2;

};
void main()
{
    struct student stud= {100,95};
    int s;
    s=(int*)&stud;
    printf("%d",*(s+1));
}

100

0

95

Compilation error

Give the output of the following code snippet :

int sum(int x,int y)
{
    return x+y;
}
void main()
{
    int (*fptr)(int a,int b);
    fptr = sum;
    printf("%d",(*fptr)(10,20));
}

30

0

Garbage value

Compilation error

Give the output of the following code snippet :

void main()
{
    double a=100.25;
    double b=200.25;
    double c = ((a) == (b) ? (a++) : (b--));
    double d= ((a) >= (b) ? (++a) : (--b));

    printf("%.2f %.2f",c,d);
}

100 .25 100.25

100.25 199.25

200.25 198.25

200.25 201.25

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 200;
    __asm
    {

        cmp dword ptr[ebp - 4], 0C8h
        jne Label1
        mov dword ptr[ebp - 4], 64h
        jmp Label2
        Label1 : mov dword ptr[ebp - 4], 12Ch
    }
Label2:

    printf("%d", a);
    return 0;
}

100

200

0C8

Compilation error

Give the output of the following code snippet :

void main()
{
    int a= 10,*ptr;
    ptr=(int*)malloc(a*sizeof(int));
    ptr=a;
    printf("%d",ptr);
}

10

0

Garbage value

Compilation error

Give the output of the following code snippet whose solution configuration has been set to the DEBUG mode :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 0;
    int b = 0;
    int c = 0;
    int d = 0;
    __asm
    {
        push 100
        push 200
        push 300
        call Func
        jmp End
        Func :
        add esp,4
        pop eax
        mov a, eax
        pop eax
        mov b, eax
        pop eax
        mov c, eax
        sub esp,0x10
        ret
        End : add esp, 0xC
    }
    printf("%d %d %d", a, b, c);
}

100 200 300

300 200 100

300 0 0

Runtime error

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 0;
    int b = 0;
    int c = 0;
    int d = 0;
    __asm
    {
        push 100
        push 200
        call Func
        jmp End
        Func :
        pop dword ptr[esp]
        mov eax, dword ptr[esp]
        mov a, eax
        pop dword ptr[esp+8]
        mov eax, dword ptr[esp + 8]

        mov a, eax
        ret
        End :
    }
    printf("%d %d %d %d", a, b, c, d);

}

200 100 0 0

200 100 Garbage value Garbage value

200 0 0 0

Runtime error

Give the output of the following code snippet :

int main()
{
    char *p = NULL;
    char *q = 0;
    if (!p)
        printf("P ");
    else
        printf("Nullp");
    if (!q)
        printf("Q ");
    else
        printf(" Nullq");
}

P Nullq

P Q

Nullp Q

Nullp Nullq

Give the output of the following code snippet :

typedef struct stud
{
    int no;
    int no2;
    stud *link;
} stud;
void main()
{
    stud s;
    s.no=10;
    printf("%d",s.no);
}

10

No output

Compilation error

Garbage value

Files Test1.c, Test1.h, Test2.c, Test2.h and Test3.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */
void func1(int);
int arg = 10;


/* Test2.h */
static int value;
void func(int);

/* Test1.c */

#include"Test2.h"
void func1(int);
void func(int arg)
{
    value = 200;
    func1(arg);
    printf("Output = %d\n",arg+value);
}

/* Test2.c */
#include"Test2.h"

void func1(int arg)
{
    value = 100;
    printf ( "Output = %d\n", arg+value );

}



/* Test3.c */

#include "Test1.h"
#include "Test2.h"

void main ()
{
    func1(arg);
}

Output = 110 Output = 211

Output = 110

Compilation error : Undeclared identifier

Linker error : Unresolved external symbol found.

Give the output of the following code snippet : Assume the input given is 100.

void main()
{
    int i=3;
    int x;
    while(i!=0)
    {
        scanf("%d",&x);
        printf("%d ",x);
        ungetc(x,stdin);
    }
}

100

Infinite loop

100 100 100

Compilation error

Give the output of the following code snippet :

void main()
{
    int i = 10, a = 10;
    _asm
    {
        mov         eax, dword ptr[i]
        and         eax, 80000001h
        jns         Label1
        dec         eax
        or          eax, 0FFFFFFFEh
        inc         eax
        Label1 : test        eax, eax
        jne         Label2
        jmp         Label3
        jmp         Label3
        Label2 : mov         dword ptr[a], 0C8h

    }
Label3:	printf("%d", a);
}

10

200

0

No output

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 10, b = 10,c=0,d=0;
    __asm
    {
        mov eax,Label1
        mov dword ptr[c],eax
        call eax
        mov ebx,Label2
        jmp ebx
        Label1 :
        mov a, 64
        mov d, 50
        ret
        Label2 : mov b,100
        mov c,300
    }
    printf("%d %d %d %d", a,b,c,d);
}

64 50 100 300

10 10 0 0

10 10 100 300

64 100 300 50

Give the output of the following code snippet :

void main()
{
    int a[][] = {{1, 2, 3}, {2, 3, 4, 5}};
    printf("%d\n", sizeof(a));
}

7

0

Garbage value

Compilation error

Files Test1.c, Test1.h, Test2.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */

extern int value = 300;
/* Test1.c */

void func()
{
    int value = 200;
    printf ( "Output = %d", value );
}

/* Test2.c */

#include"Test1.h"

void main ()
{
    printf ( "Output = %d", value );
}

Output = 300

Output = 200

Compilation error : Redefinition of value.

Linker error : One or more multiply defined symbols found

Give the output of the following code snippet with the following command line arguments : >Test.c 100 200 300

void func(char *arry[])
{
    for(int i=1; i< 3; i++)
        printf("%s ", (arry[i]));
}

int main(int argc, char *argv[])
{
    func(argv);
    return 0;
}

Test.c 100 200 300

100 200

0 100 200

Runtime error

Give the output of the following code snippet :

int main ()
{
    char *ptr="Hello";
    printf("%d",strlen(ptr));
}

5

6

4

Compilation error

Give the output of the following code snippet :

void func(struct stud *stuobj);
struct stud
{
    int no;
    char name[3];
    stud *link;
};

void main()
{
    struct stud s= {1001,"Jenny"};
    func(&s);
}
void func(struct stud *stuobj)
{
    struct stud *s;
    s=stuobj;
    printf("%s",s->name);
}

Jenny

1001

Compilation error

Garbage value

Give the output of the following code snippet :

union stud
{
    int age;
    int id;
};
void main()
{
    union stud s= {20};
    union stud *temp=(stud*)malloc(sizeof(stud));
    temp=&s;
    temp->age=30;
    printf("%d",temp->id);
}

20

30

Garbage value

Runtime error

Give the output of the following code snippet :

void main()
{
    const int val=20;
    int arry[val];
    char str[val];
    arry[10]=10;
    arry[5]=20;
    str[3]='B';
    printf("%d %c",arry[10],++str[3]);
}

10 B

20 B

10 C

Compilation error

Give the output of the following code snippet :

int main()
{
    int x=10,y=10,z=20;
    int a= x!=10 && z==30;
    int b= x&y;
    int c= x-- > y++;
    printf("%d %d %d",a,b,c);
}

0 10 0

1 10 0

1 10 1

Compilation error

Give the output of the following code snippet :

void main()
{
    FILE *fp,*fp1;
    char x;
    fp = fopen("Test.txt","w+");
    fputs("Hello World", fp);
    fseek( fp, 10, SEEK_SET );
    fputs("Yello", fp);
    fclose(fp);
    fp1 = fopen("Test.txt","r");
    while(1)
    {
        x = fgetc(fp);
        if( feof(fp) )
        {
            break;
        }
        printf("%c", x);
    }
    fclose(fp1);

}

Hello World

Hello World Yello

Hello WorlYello

Hello WorlYellod

Give the output of the following code snippet :

void func(struct stud *stuobj);
struct stud
{
    int no;
    int no2;
};

void main()
{
    struct stud s= {1001,1002};
    func(&s);
}
void func(struct stud *stuobj)
{
    struct stud *s;
    s=stuobj;
    printf("%d",s->no);
}

1001

No output

Compilation error

Garbage value

Give the output of the following code snippet :

int main()
{
    int i=5, *j, k;
    j = &i;
    *j+=1;
    printf("%d\n", i**j-*j);
    return 0;
}

24

30

36

Compilation error

Give the output of the following code snippet :

const int* func(int i)
{
    int x=i;
    const int *ptr=&x;
    return *(ptr);
}

void main()
{
    int a=10;
    const int *qtr=func(a);
    printf("%d",*qtr);
}

10

11

Garbage value

Compilation error

Give the output of the following code snippet :

int main()
{
    int a[4] = {1, 2, 3, 4};
    int *ptr  =  &a[2];
    float n = 1;
    ptr = ptr + n;
    printf("%d\n", *ptr);
}

3

4

Compilation error

Garbage value

Consider the following snippet : Give the importance of the following lines : temp->next=temp2->next; temp2->next=temp;

void addtoLoc( int n,int num )
{
    struct node *temp2,*temp;
    temp2=head;
    if(temp2==NULL)
    {
        printf("Empty List");
        return;
    }
    for(int i=1; i< =n; i++)
        temp2=temp2->next;
    temp=(struct node *)malloc(sizeof(struct node));
    temp->data=num;
    temp->next=temp2->next;
    temp2->next=temp;
}

To insert the new node in the position n between two existing nodes.

To insert the new node at the end of the list.

To insert the new node in the beginning of the list

None of the above

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 0;
    int b = 0;
    int c = 0;
    int d = 0;
    __asm
    {
        push 10
        push 20
        push 30
        push 40
        call Func
        jmp End
        Func :
        add esp, 4
        pop eax
        mov a, eax
        pop eax
        mov b, eax
        pop eax
        mov c, eax
        add eax,c
        or eax,b
        xor eax,a
        mov d,eax
        sub esp, 0x10
        ret
        End : add esp, 0x10
    }
    printf("%d %d %d %d", a, b, c, d);
}

30 20 10 20

40 30 20 12

40 30 20 22

Runtime error

Give the output of the following code snippet :

void main()
{
    typedef char ptr,*qtr;
    char fptr=100;
    qtr a,b;
    ptr p=20,q=30;
    a=&fptr;
    b=&p;
    printf("%d %d",*a,*b);
}

100 0

100 Garbage value

100 20

Compilation error

Give the output of the following code snippet :

int main()
{

    int (*p)[5];
    int a[][5]= {1,2,3,4,5,6};
    p=a;
    int *q;
    q=(int*)a;
    printf("%d %d",**p+3,*q+5);

}

3 5

4 6

5 0

2 5

Give the output of the following code snippet :

int main()
{
    int a = 0;
    int b = 0;
    int c = 0;
    _asm
    {
        mov eax, 10
        push eax
        mov ebx, 100
        push ebx
        mov ecx, 1000
        push ecx
        push 100
        mov ebx, dword ptr[esp]
        mov a, ebx
        mov ebx, dword ptr[esp+4]
        mov b, ebx
        mov ebx, dword ptr[esp-8]
        mov c, ebx
        add esp, 0x10
    }
    printf( "%d %d %d", a, b, c );
}

10 100 Garbage value

100 1000 Garbage value

1000 100 10

1000 100 Garbage value

Give the output of the following code snippet :

void main()
{
    int i, sum = 0, j = 5;
    _asm
    {
        mov         dword ptr[i], 0
        jmp         Label1
        Label3 : mov         eax, dword ptr[i]
        add         eax, 1
        mov         dword ptr[i], eax
        Label1 : cmp         dword ptr[i], 5
        jge         Label2

        mov         ecx, dword ptr[i]
        imul        ecx, dword ptr[j]
        add         ecx, dword ptr[sum]
        mov         dword ptr[sum], ecx

        jmp         Label3

    }
Label2:	printf("%d", sum);
}

25

50

65

75

Give the output of the following code snippet :

void main()
{
    int a=20,c=10,b=30;
    _asm
    {
        mov eax,-20
        mov ebx,a
        add eax,ebx
        jz Label2
        mov b,eax
        Label2:
        mov ecx,dword ptr[b]
        sub eax,ecx
        jz Label1
        and eax,dword ptr[c]
        mov c,eax

    }
Label1:	printf("%d %d",b,c);
}

10 20

20 30

20 10

30 2

Give the output of the following code snippet :

struct point
{
    int x;
    int y;
};
struct point func(struct point);
int main()
{
    struct point p1 = {1, 2};
    p1.y=func(p1);
    printf("%d\n", p1.y);
}
struct point func(struct point p)
{
    p.y=20;
    return p;
}

1

20

10

Compilation error

Give the output of the following code snippet :

int main()
{
    int *ptr1, a;
    _asm
    {
        mov         dword ptr[a], 19h
        lea         eax, [a]
        mov         dword ptr[ptr1], eax
        mov         ecx, dword ptr[ptr1]
        mov         edx, dword ptr[ecx]
        add         edx, 1
        mov         eax, dword ptr[ptr1]
        mov         dword ptr[eax], edx
    }
    printf("%d", *ptr1);
}

25

26

27

Runtime error

Give the output of the following code snippet :

struct student
{
    char c[10];
    int age;
};
void main()
{
    struct student s= {"Jenn",15};
    struct student m;
    m=s;
    if(m==s)
        printf("%s",m.c);
    else
        printf("%s",strupr(m.c));
}

Jenn

JENN

No output

Compilation error

Give the output of the following code snippet :

void main()
{
    int a = 5;
    _asm
    {
        mov         dword ptr[ebp - 0D0h], 5
        cmp         dword ptr[ebp - 0D0h], 1
        je          Label1
        cmp         dword ptr[ebp - 0D0h], 5
        je          Label2
        jmp         Label3
        Label1 : mov         dword ptr[a], 0Ah
        jmp         Label3
        Label2 : mov         dword ptr[a], 14h

    }
Label3:
    printf("%d", a);
}

10

20

30

Compilation error

Give the output of the following code snippet run with the following commandline arguments: >Testfile.c one two

/* Testfile.c */

int main(int argc, char *argv[])
{
    for(int i=1; i< argc; i++)
        printf("%s ", *argv);
    return 0;
}

one

one two

Testfile.c Testfile.c

Compilation error

Give the output of the following code snippet :

char *func()
{
    char *s;
    s=(char*)calloc(20,sizeof(char));
    strcpy(s,"Hello World");
    return s;
}
void main()
{
    char *s;
    s=func();
    printf("%s",s);
}

Hello World

Hello

World

Compilation error

Give the output of the following code snippet :

int main()
{
    int i=10,*p;
    p=&i;
    *p=*p+10;
    printf("%d",*p);
}

10

Address of i+10

20

Garbage value

Give the output of the following code snippet :

int main()
{
    int a = 10, b = 20,c=5;
    _asm
    {
        mov eax,dword ptr[a]
        mov ebx,dword ptr[b]
        mov ecx,10
        and ecx,ebx
        inc 10
        mov dword ptr[c],ecx

    }
    printf("%d",c);
}

10

0

1

Compilation error

Give the output of the following code snippet :

int mopn(int x, int y, int z)
{
    _asm
    {
        mov         eax,dword ptr [x]
        add         eax,dword ptr [y]
        sub			eax,dword ptr[z]
    }
}
void main()
{
    int(*fptr)(int a, int b, int c);
    int a = 0;
    fptr=mopn;
    _asm
    {
        push        12h
        push        1Dh
        push        10h
        call        dword ptr [fptr]
        add         esp,12
        mov         dword ptr [a],eax
    }
    printf("%d", a);
}

27

34

56

38

Give the output of the following code snippet :

int main()
{
    int i, *p;
    _asm
    {
        mov         dword ptr[i], 0Ah
        lea         eax, [i]
        mov         dword ptr[p], eax
        mov         ecx, dword ptr[p]
        mov         edx, dword ptr[p]
        mov         eax, dword ptr[edx]
        mov         dword ptr[ecx], eax
        mov         ecx, dword ptr[p]
        mov         edx, dword ptr[ecx]
        add         edx, 1
        mov         eax, dword ptr[p]
        mov         dword ptr[eax], edx

    }
    printf("%d", *p);
}

10

11

0

Runtime error

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 10, b = 10,c=0;
    __asm
    {
        mov eax,Label1
        mov dword ptr[c],eax
        call dword ptr[c]
        mov ebx,Label2
        mov dword ptr[b],ebx
        jmp dword ptr[b]
        Label1 :
        mov a, 64
        ret
        Label2 : mov b,100
    }
    printf("%d %d", a,b);
}

10 10

10 100

64 100

100 0

Give the output of the following code snippet :

void main()
{

    int a = 10,b=20,c=0;
    _asm
    {
        cmp         dword ptr[a], 0Ah
        je          Label1
        cmp         dword ptr[a], 14h
        jne         Label2
        Label1:   mov         eax, dword ptr[a]
        add         eax, dword ptr[b]
        mov         dword ptr[c], eax
        jmp         Label3
        Label2:    mov         eax, dword ptr[a]
        sub         eax, dword ptr[b]
        mov         dword ptr[c], eax
    }
Label3 :
    printf("%d", c);

}

20

30

Compilation error

10

Give the importance of the following lines of code from the given function : else { temp=head; while (temp->next!=NULL) temp=temp->next; temp2=(struct node *)malloc(sizeof(struct node)); temp2->data=num; temp2->next=NULL; temp->next=temp2; temp2->prev=temp; }

void func( int num )
{
    struct node *temp,*temp2;
    if (head== NULL)
    {
        temp=(struct node *)malloc(sizeof(struct node));
        temp->data=num;
        temp->next=NULL;
        temp->prev=NULL;
        head=temp;
    }
    else
    {
        temp=head;
        while (temp->next!=NULL)
            temp=temp->next;
        temp2=(struct node *)malloc(sizeof(struct node));
        temp2->data=num;
        temp2->next=NULL;
        temp->next=temp2;
        temp2->prev=temp;
    }

}

To add a new node to the end of the list

To create and attach a new node if the list is empty

To create and attach a new node if the list is full

To delete the last end of the node

Files Test1.c, Test1.h, Test2.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */

int value = 300;
void func();
/* Test1.c */

extern int value;
void func()
{
    int value = 200;
    printf ( "Output = %d", value );

}

/* Test2.c */

#include"Test1.h"

void func() {};
void main ()
{
    printf ( "Output = %d\n", value );
    func();

}

Output = 300 Output = 200

Output = 200 Output = 100

Compilation error : Identifier not found.

Linker error : One or more multiply defined symbols found

Give the output of the following code snippet :

void main()
{
    int a=40,c=50,b=30;
    _asm
    {
        mov eax,30
        mov ebx,dword ptr[b]
        cmp eax,ebx
        jge Label2
        shr eax,1
        and eax,dword ptr[a]
        mov b,eax
        Label2:
        mov ecx,dword ptr[c]
        sub ecx,ebx
        jns Label1
        and eax,ecx
        mov c,eax

    }
Label1:	printf("%d %d",b,c);
}

30 20

30 50

20 40

20 10

Give the output of the following code snippet :

int main()
{
    int i, *j, k;
    _asm
    {
        mov         dword ptr[i], 0Fh
        lea         eax, [i]
        mov         dword ptr[j], eax
        mov         ecx, dword ptr[j]
        mov         eax, dword ptr[i]
        add        eax, dword ptr[ecx]
        mov         ecx, dword ptr[j]
        cdq
        imul        dword ptr[ecx]
        sub        eax, dword ptr[i]
        mov         dword ptr[k], eax
    }
    printf("%d\n", k);
    return 0;
}

400

240

335

435

Give the output of the following code snippet :

int f(int i)
{
    int sum=0;
    _asm
    {
        mov         dword ptr [sum],14h
        imul        eax,dword ptr [i],3
        mov         dword ptr [i],eax
        mov         ecx,dword ptr [i]
        imul        ecx,dword ptr [i]
        add         ecx,dword ptr [sum]
        mov         dword ptr [sum],ecx
        mov         eax,dword ptr [sum]
    }
}

void main()
{
    int a;
    int(*fptr)(int) = f;
    _asm
    {
        push        5h
        call        dword ptr [fptr]
        add         esp,4
        mov         dword ptr [a],eax
    }
    printf("%d", a);
}

250

200

230

245

Give the output of the following code snippet :

void main()
{
    int x = 100, y = 200, min;
    _asm
    {
        mov         eax, dword ptr[x]
        cmp         eax, dword ptr[y]
        jge         Label1

        mov         eax, dword ptr[x]
        mov         dword ptr[min], eax

        jmp         Label2

        Label1 : mov         eax, dword ptr[y]
        mov         dword ptr[min], eax


    }
Label2:	printf("%d", min);
}

100

200

0

Compilation error

Give the output of the following code snippet :

#define valx 2
#define valy 2
#define valz 2
void main()
{
    int ***arr;
    int i,j,k;
    arr=(int***)malloc(valx*sizeof(int**));
    for(i=0; i< valx; i++)
    {
        arr[i]=(int**)malloc(valy*sizeof(int*));
        for(j=0; j< valy; j++)
            arr[i][j]=(int*)malloc(valz*sizeof(int));
    }
    for(k=0; k< valz; k++)
    {
        for(i=0; i< valx; i++)
        {
            for(j=0; j< valy; j++)
            {
                arr[i][j][k]=i*j*k;
                printf("%d ",arr[i][j][k]);
                break;
            }
        }
    }
}

0 0 0 0 0 0 0 1

0 0 1 1

0 1 1 1

0 0 0 0

Give the output of the following code snippet :

struct student
{
    char *name;
};
struct student s[2], *r[2];
void main()
{
    s[0].name = "Jenn";
    r[1] = &s[0];
    printf("%s", r[1]->name);
}

Jenn

Null

Garbage value

Compilation error

Give the output of the following code snippet :

void main()
{
    int a = 10,*ptr;
    ptr=(int*)malloc(a*sizeof(int));
    ptr=&a;
    printf("%d",ptr);
}

10

Address of a

Garbage value

Compilation error

Give the output of the following code snippet :

void main()
{
    int a = 10;
    int b = 20;
    int c = 30;
    int d = 0;
    __asm
    {
        mov eax,c
        push eax
        mov eax,b
        push eax
        mov eax,a
        push eax
        mov eax,Func
        call eax
        mov ebx,End
        jmp ebx
        Func :
        add esp,4
        pop eax
        mov a, eax
        pop eax
        mov b, eax
        pop eax
        mov c,eax
        sub esp,0x10
        ret
        End : add esp, 0x10
    }
    printf("%d %d %d", a, b,c);
}

10 20 30

30 20 10

10 0 0

Runtime error

Give the output of the following code snippet :

int main()
{
    int i, *j, k;
    _asm
    {
        mov         dword ptr[i], 5
        lea         eax, [i]
        mov         dword ptr[j], eax
        mov         ecx, dword ptr[j]
        mov         edx, dword ptr[ecx]
        sub         edx, 0Ah
        mov         eax, dword ptr[j]
        mov         dword ptr[eax], edx
        mov         ecx, dword ptr[j]
        mov         edx, dword ptr[i]
        imul        edx, dword ptr[ecx]
        mov         eax, dword ptr[j]
        add         edx, dword ptr[eax]
        mov         dword ptr[k], edx
    }
    printf("%d\n", k);
}

10

20

30

50

Files Test1.c, Test1.h, Test2.c, Test2.h and Test3.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */
void func1();


/* Test2.h */
static int value;
void func();

/* Test1.c */

#include"Test2.h"
void func1();

void func()
{
    value = 200;
    func1();
    printf("Output = %d\n",++value);
}

/* Test2.c */
#include"Test2.h"

void func1()
{
    value  = 200;
    printf ( "Output = %d\n", ++value );
    func();

}



/* Test3.c */

#include "Test1.h"
#include "Test2.h"

void main ()
{
    func();

}

Output = 201

Output = 201 Output = 200

Infinite loop

Linker error : Unresolved external symbol found.

Give the output of the following code snippet :

int main()
{
    int a = 20, b = 10,c=2;
    _asm
    {
        mov eax,esp
        mov ebx,100
        push dword ptr[a]
        push dword ptr[b]
        mov ecx,esp
        pop dword ptr[b]
        sub ecx,eax
        mov a,eax
        mov b,ebx
        mov c,ecx
        pop dword ptr[b]
    }
    printf("%d %d  %d",a,b,c);
}

20 100 4

Garbage value 100 -8

Garbage value 100 8

20 100 -8

Give the output of the following code snippet :

int main()
{
    int *p = (int *)2;
    int *q = (int *)0;
    printf("%d", p & q);
}

0

1

Compilation error

Garbage value

Give the output of the following code snippet :

int main()
{
    union u
    {
        unsigned int x : 1;
        unsigned int y : 4;
    } p;
    union u un;
    un.y = 2;
    printf("%d\n",sizeof(p));
}

0

1

4

2

Give the output of the following code snippet :

int main()
{
    char str1[15] = "Hello";
    char *str;
    str=str1;
    while(*str!='\0')
    {
        *str=*str+2;
        str++;
    }
    printf("%s",str1);
    return 0;
}

Hello

Jgnnq

Khooq

Runtime error

Give the output of the following code snippet :

int main()
{
    int a = 10, b = 20,c=5;
    _asm
    {
        mov eax,dword ptr[a]
        mov ebx,dword ptr[b]
        mov ecx,c
        and ecx,ebx
        inc ecx
        mov dword ptr[c],ecx

    }
    printf("%d",c);
}

4

5

10

1

Give the output of the following code snippet :

void main()
{
    int i = 13, a = 10;
    _asm
    {
        mov         eax, dword ptr[i]
        and         eax, 80000001h
        jns         Label1
        dec         eax
        or          eax, 0FFFFFFFEh
        inc         eax
        Label1 : test        eax, eax
        jne         Label2
        jmp         Label5
        jmp         Label5
        jmp         Label3
        Label2 : mov         dword ptr[a], 0C8h
        Label3 : jmp         Label4
        jmp         Label4
        Label5 : mov         dword ptr[a], 190h

    }
Label4:	printf("%d", a);
}

10

200

0

No output

Files Test1.c, Test1.h, Test2.c and Test3.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */
extern int value;
void func();
void func1();
/* Test1.c */
#include "Test1.h"
int value = 300;
void func()
{
    value=200;
    printf ( "Output = %d\n", ++value );
    func1();

}

/* Test2.c */
#include "Test1.h"

int value;
void func1()
{
    printf ( "Output = %d\n", ++value );

}


/* Test3.c */

#include "Test1.h"

void main ()
{
    func1();
    func();
}

Output = 301 Output = 201

Output = 201 Output = 201 Output = 201

Compilation error : Redefinition of variable.

Linker error : One or more multiply defined symbols found.

Give the output of the following code snippet :

int main()
{
    int *Pa1 = 0;
    int *Pa2 = 0;
    int *Pa3 = 0;
    int a, b, c;

    _asm
    {
        mov         dword ptr[a], 0Ah
        mov         dword ptr[b], 14h
        lea         eax, [a]
        mov         dword ptr[Pa1], eax
        lea         ecx, [b]
        mov         dword ptr[Pa2], ecx
        mov         edx, dword ptr[Pa1]
        mov         ecx, dword ptr[Pa2]
        mov         eax, dword ptr[edx]
        cdq
        idiv        dword ptr[ecx]
        mov         dword ptr[c], eax
        lea         edx, [c]
        mov         dword ptr[Pa3], edx
    }

    printf("%d", *Pa3);
}

5

1

3

0

Give the output of the following code snippet :

struct node
{
    int data;
    struct node *next;
    struct node *prev;
}*head;

void func( int num )
{
    struct node *temp;
    temp=(struct node *)malloc(sizeof(struct node));
    temp->data=num;
    temp->next=head;
    temp->prev=NULL;
    while(head!=NULL)
        head=head->next;
    head=temp;
}



void  displayrev()
{
    struct node *r;
    r=head;
    while(r->next!=NULL)
        r=r->next;
    while(r!=NULL)
    {
        printf("%d ",r->data);
        r=r->prev;
    }
    printf("\n");
}

void  display()
{
    struct node *r;
    r=head;
    while(r!=NULL)
    {
        printf("%d ",r->data);
        r=r->next;
    }
    printf("\n");
}

void main()
{
    func(100);
    func(200);
    func(300);
    func(400);
    display();
    displayrev();
}

400 300 200 100 100 200

100 200 400 300 200 100

400 300 200 100 200 300

400 300 200 100 100

Give the output of the following code snippet :

void main()
{
    int k, sum = 0, prod = 0;
    _asm
    {
        mov         dword ptr[k], 0FFFFFFFDh
        jmp         Label1
        Label3 : mov         eax, dword ptr[k]
        add         eax, 1
        mov         dword ptr[k], eax
        Label1 : cmp         dword ptr[k], 3
        jge         Label2

        mov         ecx, dword ptr[sum]

        add         ecx, dword ptr[k]
        mov         dword ptr[sum], ecx

        mov         edx, dword ptr[k]
        imul        edx, dword ptr[sum]
        mov         dword ptr[prod], edx

        jmp         Label3


    }
Label2:	printf("%d %d", sum, prod);
}

6 12

-3 12

-3 -6

-2 -6

Give the output of the following code snippet :

#define row 2
#define col 2
void main()
{
    int (*arr)[col];
    arr=(int (*)[col])malloc(sizeof(row*sizeof(*arr)));
    for(int i=0; i< row; i++)
        for(int j=0; i< col; i++)
            arr[i][j]=i+j;
    for(int i=0; i< col+row-1; i++)
        printf("%d ",*arr[i]+1);
}

0 1 2 3

0 1 0

1 1 2 4

1 2 1

Give the output of the following code snippet :

typedef struct stud
{
    int no;
    int no2;
    stud *next;
} stud;
void main()
{
    stud s;
    s.no=1001;
    printf("%d",s.no);
}

1001

0

No output

Compilation error

Give the output of the following code snippet :

int main()
{
    char str[] = "Hello";
    char *s = str;
    printf("%s\n", s++ +3);
    return 0;
}

llo

lo

o

Compilation error

Give the output of the following code snippet :

void main()
{
    typedef long int a;
    a c,d;
    c=10;
    d=100;
    printf("%d %d",c,d);
}

10 100

0 0

No output

Compilation error

Give the output of the following code snippet :

void main()
{
    int a = 5;
    _asm
    {
        mov         dword ptr[ebp - 0D0h], 0Ah
        cmp         dword ptr[ebp - 0D0h], 5
        je          Label1
        cmp         dword ptr[ebp - 0D0h], 0Ah
        je          Label2
        jmp         Label3

        Label1 : mov         dword ptr[a], 0Ah

        jmp         Label3

        Label2 : mov         dword ptr[a], 64h

    }
Label3:	printf("%d", a);
}

50

10

100

Compilation error

Give the output of the following code snippet :

void print(int num,...)
{
    int i,j,k;
    va_list marker;
    va_start(marker,num);
    j=va_arg(marker,char);
    printf("%c ",j);
    va_end(marker);
}
void print2(int num,...)
{
    int i,j,k;
    va_list marker;
    va_start(marker,num);
    j=va_arg(marker,int);
    printf("%d ",j);
    va_end(marker);
}
int main(int argc, char *argv[])
{
    print2(10,'X','Y');
    print2(10,88,89);
}

X X

88 88

Y 88

Compilation error

Give the output of the following code snippet :

int main()
{
    int i=5, *j;
    j =&i;
    *j+=1;
    printf("%d ", j**j-*i);
    return 0;
}

31

20

29

Compilation error

Give the output of the following code snippet :

struct q
{
    char *name;
};
struct q *ptrary[3];
int main()
{
    struct q *p;
    p->name = "World";
    ptrary[0] = p;
    p->name= "Hello";
    ptrary[1] = p;
    p->name = "Welcome";
    ptrary[2] = p;
    printf("%s\n",ptrary[1]->name);
    return 0;
}

World

Welcome

Hello

Compilation error

Files Test1.c, Test1.h, Test2.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */

int value;
void func();

/* Test1.c */

extern int value;
void func()
{
    printf ( "Output = %d", value );

}

/* Test2.c */

#include"Test1.c"
void main ()
{
    printf ( "Output = %d\n", value );
    func();

}

Garbage value Output = 0

Output = 0 Output = 0

Compilation error : Undeclared identifier

Linker error : Unresolved external symbol value found

Give the output of the following code snippet :

struct q
{
    char *name;
};
struct q *ptrary[3];
int main()
{
    struct q *p;
    p->name = "Hello";
    ptrary[0] = p;
    p->name= "World";
    ptrary[1] = p;
    printf("%s %s\n", ptrary[0]->name,ptrary[1]->name);
    return 0;
}

Hello World

Hello Hello

World World

Compilation error

Give the output of the following code snippet :

struct p
{
    int x;
};
int main()
{
    struct p p1[] = {1, 92, 3, 94, 5, 96};
    struct p *ptr1 = p1;
    int x = (sizeof(p1) / sizeof(ptr1));
    if (x == 1)
        printf("%d\n", ptr1->x);
    else
        printf("%d",x);
}

1

6

92

3

Give the output of the following code snippet :

struct point
{
    int x;
    int y;
};
void fun(struct point p[])
{
    printf("%d %d\n", p[1].x,(p + 1)->y);
}
int main()
{
    struct point p1[] = {1};
    fun(p1);
}

0 0

0 1

1 Garbage value

Garbage value Garbage Value

Give the output of the following code snippet :

int main()
{
    int a[5][5] = {{1, 2, 3}, {5, 2, 3, 4}};
    printf("%d",*a[3]);
}

2

3

4

0

Consider the following snippet : Give the importance of the following lines : for(int i=1;i<=n;i++) { temp2=temp2->next; }

void addtoLoc( int n,int num )
{
    struct node *temp2,*temp;
    temp2=head;
    if(temp2==NULL)
    {
        printf("Empty List");
        return;
    }
    for(int i=1; i< =n; i++)
        temp2=temp2->next;
    temp=(struct node *)malloc(sizeof(struct node));
    temp->data=num;
    temp->next=temp2->next;
    temp2->next=temp;
}

To traverse the pointer to the end of the list

To traverse the pointer to the beginning of the list

To traverse the pointer to the middle of the list

To traverse the pointer to the position specified by 'n'.

Give the output of the following code snippet :

void main()
{
    unsigned int a=10;
    unsigned int b=17;

    int c = a ^ b;
    int d = ~b + 1;

    printf("%d %d",c,d);

}

17 -17

17 -18

27 -17

27 -19

Give the output of the following code snippet :

struct q
{
    char *name;
    struct q *next;
};
struct q *ptrary;
int main()
{
    struct q *p;
    p->name = "Hello";
    ptrary = p;
    printf("%s\n", p->name);
    return 0;
}

Hello

Garbage Value

Null

Compilation error

Give the output of the following code snippet :

int mul(int a, int b)
{
    return a * b;
}
void main()
{
    int (*fptr)();
    fptr = mul;
    printf("%d",fptr(2, 3));
}

6

0

Garbage value

Compilation error

Give the output of the following code snippet :

typedef struct student
{
    char a[10];
} stu;
void main()
{
    stu st;
    strcpy(st.a,"Jenn");
    printf("%s", st.a);
}

Jenn

Garbage Value

Null

Compilation error

Give the importance of the following line of code from the given program: temp5=temp2->next; temp2 -> next=temp1; temp1->next=temp5;

void SortList()
{
    node *temp1,*temp2,*temp3,*temp4,*temp5;
    temp4=NULL;
    while(temp4!=Head->next)
    {
        temp3=temp1=Head;
        temp2=temp1->next;
        while(temp1!=temp4)
        {
            if(temp1->x > temp2->x)
            {
                if(temp1==Head)
                {
                    temp5=temp2->next;
                    temp2 -> next=temp1;
                    temp1->next=temp5;

                    Head = temp2;
                    temp3=temp2;
                }
                else
                {
                    temp5=temp2->next;
                    temp2 -> next=temp1;
                    temp1->next=temp5;

                    temp3->next = temp2;
                    temp3=temp2;
                }
            }
            else
            {
                temp3=temp1;
                temp1=temp1->next;
            }
            temp2=temp1->next;
            if(temp2 == temp4)
                temp4=temp1;
        }
    }
}

To swap the links between two values.

To create a new linked list.

To sort the linked list

To delete a node in the list

Give the output of the following code snippet :

void print(int num,...)
{
    int i,k;
    float j;
    va_list marker;
    va_start(marker,num);
    j=va_arg(marker,double);
    printf("%.2f ",j);
    va_end(marker);
}
int main(int argc, char *argv[])
{
    print(10,2.2,3.3,4.4);
}

2.20 3.30 4.40

3.30 4.40

2.20

Compilation error

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 10, b = 10,c=0;
    __asm
    {
        mov eax,Label1
        mov dword ptr[c],eax
        call dword ptr[c]
        mov ebx,Label2
        mov dword ptr[b],ebx
        jmp ebx
        Label1 :
        mov a, 64
        ret
        Label2 : mov b,100
    }
    printf("%d %d", a,b);
}

10 10

10 100

64 100

100 0

Give the output of the following code snippet :

int main()
{
    union u
    {
        unsigned int x : 1;
        unsigned int y : 4;
    } p;
    union u *un=(u*)malloc(sizeof(u));
    un->y = 2;
    printf("%d\n",sizeof(un));
}

1

2

4

Compilation error

Give the output of the following code snippet with the following command line arguments : >Test.c 100 200 300

int main(int argc, char *argv[])
{
    int i=strlen(argv[3]);
    int sum=0;
    do
        printf("%d ",atoi(argv[--argc])-atoi(argv[argc])-atoi(argv[--argc]));
    while(!argc);
}

200

400

-300

-200

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 0;
    int b = 0;
    int c = 0;
    int d = 0;
    __asm
    {
        push 20
        push 30
        push 40
        call Func
        jmp End
        Func :
        add esp, 4
        pop eax
        mov a, eax
        pop eax
        mov b, eax
        pop eax
        mov c, eax
        and eax,b
        shl eax,2
        mov d,eax
        sub esp, 0x10
        ret
        End : add esp, 0xC
    }
    printf("%d %d %d %d", a, b, c, d);
}

40 30 20 80

40 30 20 45

40 30 20 54

Runtime error

Give the output of the following code snippet with the following command line arguments : >Testfile.c one two three

/* Testfile.c */

int main(int argc, char *argv[])
{
    printf("%s\n", *argv);
    return 0;
}

One

Two

Testfile.c

Compilation error

Give the output of the following code snippet :

struct node
{
    char* data;
    struct node *next;
}*head=0;

void add( char* num )
{
    struct node *temp2;
    temp2=(struct node *)malloc(sizeof(struct node));
    temp2->data=num;
    temp2->next=head;
    head=temp2;
}

void  display(struct node *r)
{
    r=head;
    while(r->next!=NULL)
    {
        printf("%s ",r->data);
        r=r->next;
    }
}

void main()
{
    struct node *n;
    add("Hello");
    add("World");
    display(n);
}

Hello World

World Hello

World

Runtime error

Give the output of the following code snippet :

void main()
{
    int a = 10;
    int b = 20;
    int c = 30;
    int d = 0;
    __asm
    {
        mov eax,c
        push eax
        mov eax,b
        push eax
        mov eax,a
        push eax
        push 200
        push 300
        mov eax,Func
        call eax
        mov ebx,End
        jmp ebx
        Func :
        add esp,4
        pop eax
        mov a, eax
        pop eax
        mov b, eax
        pop eax
        mov c,eax
        sub esp,0x10
        ret
        End : add esp, 0x10
    }
    printf("%d %d %d", a, b,c);
}

10 20 30

200 300 10

200 300 30

300 200 10

Give the output of the following code snippet :

union Test
{
    char str[20];
};

int main()
{
    union Test st1, *st2;
    strcpy(st1.str, "Hello");
    st2 = st1;
    st1.str[0] = 'J';
    printf("%s",st2.str);
}

Hello

Jello

No output

Compilation error

Give the output of the following code snippet :

int main()
{
    int a,b=2,c=10;
    _asm
    {
        mov dword ptr[a],0
        mov ecx,dword ptr[b]
        mov dword ptr[b],20
        add ecx,dword ptr[c]
        shl ecx,2
        dec ecx
        mov a,ecx
    }
    printf("%d",a);
}

44

48

47

45

Give the output of the following code snippet :

int(*funcptr) (int a);
int myfunc(int a)

{
    int sum=0;
    _asm
    {
        mov         dword ptr [a],0Ch
        mov         eax,dword ptr [sum]
        add         eax,dword ptr [a]
        mov         dword ptr [sum],eax
        mov         ecx,dword ptr [a]
        add         ecx,1
        mov         dword ptr [a],ecx
    }
    printf("%d",a);
    return 0;
}
int testCaller(int(*funcptr) (int a))
{
    _asm
    {
        push        10h
        call        dword ptr [funcptr]
        add         esp,4
    }
    return 0;
}

int _tmain(int argc, _TCHAR* argv[])
{
    testCaller(myfunc);
    return 0;
}

4

9

8

12

Give the output of the following code snippet :

int main()
{
    char *a[1] = {"Hello"};
    printf("%s", *a);
    return 0;
}

Hello

H

Address of a

Compilation error

Consider the following code: Where are the elements added to in the list?

void func( int num )
{
    struct node *temp;
    temp=(struct node *)malloc(sizeof(struct node));
    temp->data=num;
    temp->next=head;
    temp->prev=NULL;
    while(head!=NULL)
        head=head->next;
    head=temp;


}
void main()
{
    func(100);
    func(200);
    func(300);
    func(400);
    display();
}

To the beginning of the list

To the end of the list

To the middle of the list.

To a particular position in the list

Files Test1.c, Test1.h, Test2.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */

int value = 100;

void func();

/* Test1.c */

void func()
{
    int value = 200;
    printf ( "Output = %d", value );

}

/* Test2.c */

#include"Test1.h"
extern int value = 100;

void main ()
{
    func();
    printf ( "Output = %d\n", value );
}

Output = 100 Output = 200

Output = 200 Output = 100

Compilation error : Redefinition of variable value.

Linker error : One or more multiply defined symbols found

Give the output of the following code snippet :

void main()
{
    int k=0,z;
    printf("%d == 1" "%d " ,k,k==1?z=k++:z=--k);

}

0 == 1 -1

-1 == 1 -1

0 == 1 1

Compilation error

Give the output of the following code snippet with the following command line arguments : >Test.c 100 200 300

int main(int argc, char *argv[])
{
    int i=strlen(argv[3]);
    int sum=0;
    do
        printf("%d ",atoi(argv[argc])+atoi(argv[--argc])+atoi(argv[argc]));
    while(argc);
}

900 600 300 0

600 300 0 -300

700 500 300 100

Compilation error

Give the output of the following code snippet :

int main()
{

    int arry[3][3]= {1,2,3,4,5,6};
    printf("%d",**arry);
}

Address of arry

1

2

0

Give the output of the following code snippet :

#include< stdio.h>
int main()
{
#define VAR 10
    typedef int iptr;
    static iptr *ptr,*qtr;
    int *rptr;
    int x=VAR;
    int y=200;
    ptr=&x;
    qtr=&y;
    printf("%d",(*ptr)+(*qtr));
}

200

300

210

Compilation error

Give the output of the following code snippet :

struct stud
{
    int no;
    int no2;
    struct emp *link;
};
struct emp
{
    int id;
    struct emp *link2;
};
typedef struct stud *ptr;
typedef struct emp *qtr;

void main()
{
    ptr s=(stud *)malloc(sizeof(struct stud));
    s->no=10;
    printf("%d",s->no);
}

10

No output

Compilation error

Garbage value

Give the output of the following code snippet :

void main()
{
    int a = 0;
    int b = 0;
    int c = 0;
    int d = 0;
    __asm
    {
        push 100
        push 200
        mov eax,Func
        call eax
        mov ebx,End
        jmp ebx
        Func :
        add esp,4
        pop eax
        mov a, eax
        pop eax
        mov b, eax
        sub esp,0xC
        ret
        End : add esp, 0x8
    }
    printf("%d %d", a, b);
}

100 200

200 100

0 0

100 0

Give the output of the following code snippet :

void main()
{
    int a=10,c=20,b=-30;
    _asm
    {
        mov eax,40
        mov ebx,dword ptr[b]
        cmp eax,ebx
        jle Label2
        or eax,ebx
        mov b,eax
        Label2:
        mov ecx,dword ptr[a]
        sub ecx,ebx
        jz Label1
        or eax,ecx
        mov c,eax

    }
Label1:	printf("%d %d",b,c);
}

20 -24

-22 -22

-38 -33

40 -30

Give the output of the following code snippet with the following command line arguments : >Test.c Hello World Program

int main(int argc, char *argv[])
{
    int i=strlen(argv[3]);
    int sum=0;
    while(argc)
        printf("%s ",argv[argc]);
}

Test.c Hello World Program

Hello World Program null

Infinite loop

Null Program World Hello

Give the output of the following code snippet :

int sum(int x, int y)
{
    _asm
    {
        mov         eax,dword ptr [x]
        add         eax,dword ptr [y]
    }
}
void main()
{
    int(*fptr)(int a, int b);
    int a = 0;
    fptr=sum;
    _asm
    {
        push        14h
        push        0Ah
        call        dword ptr [fptr]
        add         esp,8
        mov         dword ptr [a],eax
    }
    printf("%d", a);
}

20

10

30

0

Give the output of the following code snippet :

void main()
{
    int a=0x10,b=20,c=30,d;
    int x,y,z;
    x=a & b |c;
    y=a | b &c;
    z=x | y & c;
    printf("%d %d %d",x,y,z);
}

20 30 30

30 20 30

20 20 30

20 30 40

Give the output of the following code snippet :

int main()
{
    int a = 20, b = 10,c=2;
    _asm
    {
        mov eax,esp
        mov ebx,100
        push ebx
        mov ecx,esp
        pop ebx
        sub ecx,eax
        mov a,ecx
        mov b,ebx

    }
    printf("%d %d",a,b);
}

-4 100

-4 -20

4 20

4 100

Give the output of the following code snippet :

int main()
{
    int c=10;
    _asm
    {
        mov eax,10
        mul dword ptr[c],20
        mov c, eax
    }
    printf("%d", c);
}

20

100

Compilation error

0

Give the output of the following code snippet :

struct st
{
    int x;
    struct st *next;
};

int main()
{
    struct st *temp;
    temp->x = 10;
    temp->next = temp;
    printf("%d", temp->next->x);
    return 0;
}

10

0

No output

Compilation error

What is the output of the following code snippet if it is run with no commandline arguments?

int main(int argc, char *argv[])
{
    printf("%d\n", argc);
    return 0;
}

0

1

Garbage value

Compilation error

Give the output of the following code snippet :

void f(int a[][])
{
    a[0][1] = 3;
    int i = 0, j = 0;
    for (i = 0; i <  2; i++)
        for (j = 0; j <  2; j++)
            printf("%d ", a[i][j]);
}
void main()
{
    int a[2][2] = {0};
    f(a);
}

Garbage 3 Garbage Garbage

0 0 3 0

0 3 0 0

Compilation error

Give the output of the following code snippet :

struct Vehicle
{
    int Id;
    char *name;

    struct Car
    {
        int Id;
        char *name;
    } Cobj;
};

void main()
{
    struct Vehicle Vobj[5];
    Vobj[0].Cobj.Id=1001;
    printf("%d",Vobj[1].Cobj.Id);
}

1001

0

Garbage value

Compilation error

Give the output of the following code snippet :

void main()
{
    int i, sum = 0;
    _asm
    {
        mov         dword ptr[i], 0
        jmp         Label1
        Label3 : mov         eax, dword ptr[i]
        add         eax, 1
        mov         dword ptr[i], eax
        Label1 : cmp         dword ptr[i], 3
        jge         Label2

        mov         ecx, dword ptr[i]
        imul        ecx, dword ptr[i]
        add         ecx, dword ptr[sum]
        mov         dword ptr[sum], ecx

        jmp         Label3

    }
Label2:	printf("%d", sum);
}

14

12

5

0

Give the output of the following code snippet :

int main()
{
    int a = 10, b = 20, c=2;
    _asm
    {
        mov eax,a
        mov ebx,b
        mov c,eax
        shl eax,dword ptr[c]
        shl ebx,2
        xor eax,ebx
        mov dword ptr[a],ebx
        mov dword ptr[b],eax
    }
    printf("%d %d",a,b);
}

40 80

40 40

80 40

Compilation error

Give the output of the following code snippet :

int main()
{
    int a = 10, b = 20, c;
    _asm
    {
        mov eax, a
        mul c
        mov c, eax
    }
    printf("%d %d", a, c);
}

10 0

10 Garbage value

Compilation error

0 0

Give the output of the following code snippet :

struct student
{
    char *name;
};
void fun()
{
    struct student s;
    s.name = "Anne";
    printf("%s", s.name);
}
void main()
{
    fun();

}

Anne

No output

Garbage value

Compilation error

Give the output of the following code snippet :

void main()
{
    char str1[12]="Hello world";
    char *str="Yellow World";
    char *str2="%s";
    printf(str2,&str+5);
}

World

rld

llo

Runtime error

Give the output of the following code snippet :

int print(int num,...)
{
    int sum=0, count=0,i,j,k;
    va_list marker;
    va_start(marker,num);
    for(i=0; i< num; i++)
    {
        j=va_arg(marker,int);
        k=va_arg(marker,char);
        printf("%d %c ",j,k);
    }
    va_end(marker);
    return sum;
}
int main(int argc, char *argv[])
{
    print(3,96,97,98);
}

96 97 98

96 b c 0

96 a 98 0

Compilation error

Give the output of the following code snippet :

int main()
{
    int a=10, b=20, c;
    c = (a == 100 && b >= 10);
    c= a-- + b++ + --c;
    printf("%d", --c);
    return 0;
}

20

12

28

26

Give the output of the following code snippet :

int main()
{
    int a = 10, b = 20,c=5;
    _asm
    {
        mov eax,dword ptr[a]
        mov ebx,dword ptr[b]
        dec ebx
        mov ecx,c
        or  ecx,ebx
        mov dword ptr[c],ecx
    }
    printf("%d",c);
}

21

23

20

15

What type of initialization is needed for the segment "ptr[3] = ’3′;" to work?

< NIL>

char ptr[] = “Hello”;

char *ptr= “Hello”;

Both 1 and 2

None of the above

Give the output of the following code snippet :

void main()
{
    int arry[10]= {1,2,3,4};
    printf("%d",*arry+2);
}

Address of arry

2

3

Compilation error

Give the output of the following code snippet :

void main()
{
    char *str[15]= {"This","is","a","Hello","World","Program"};
    char *x;
    x=str[4];
    str[4]=str[5];
    str[5]=x;
    printf("%s",str[0]);
}

This

is

Hello

Compilation error

What do the following line of code in the function indicate? temp->prev->next=NULL;

void Delete(int num)
{
    struct node *temp;
    temp=head;
    while(temp!=NULL)
    {
        if(temp->data==num)
        {
            if(temp==head)
            {
                head=head->next;
                head->prev=NULL;
            }
            else
            {
                if(temp->next==NULL)
                    temp->prev->next=NULL;
                else
                {
                    temp->next->prev=temp->prev;
                    temp->prev->next=temp->next;

                }
            }
            free(temp);
            return;
        }
        temp= temp->next;
    }
}

The next link of the node which is previous to the last node in the list is set to NULL.

The next link of the last node in the list is set to NULL

The next link of the first node in the list is set to NULL

The next link of the node which is next to the first node in the list is set to NULL.

Give the output of the following code snippet :

void main()
{
    int i = 10, k = 10, j = 2;
    int *ary[2];
    ary[0] = i;
    ary[1] = j;
    printf("%d\n", *ary[0]);
}

0

10

2

Compilation error

Give the output of the following code snippet :

void main()
{
    int x = 5, y = 2, z = 3;
    int a = x & y | z;
    printf("%d", a);
}

2

3

4

5

Give the output of the following code snippet :

struct point
{
    int x;
    int y;
};
int main()
{
    struct point p = {1};
    struct point p1 = {1,1};
    if(p.y == p1.y)
        printf("Equal\n");
    else
        printf("Not equal\n");
}

Equal

Not equal

Compilation error

No output

Give the output of the following code snippet :

#define VAR 10
void func()
{
    printf("%d ",VAR);
}
int main()
{
    typedef int iptr;
    static iptr *ptr,*qtr;
    int *rptr;
    int x=VAR;
    int y=200;
    ptr=&x;
    qtr=&y;
    printf("%d  ",(*ptr)+(*qtr));
    func();
}

200 10

210 10

300 10

Compilation error

Files Test1.c, Test1.h, Test2.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */

int value = 300;

void func();

/* Test1.c */

void func()
{
    int value = 200;
    printf ( "Output = %d", value );
}

/* Test2.c */

#include"Test1.h"

void main ()
{
    func();
    printf ( "Output = %d\n", value );
}

Output = 300 Output = 200

Output = 200 Output = 300

Compilation error : Redefinition of value.

Linker error : One or more multiply defined symbols found

Give the output of the following code snippet :

int main()
{
    int a = 10, b = 20, c;
    _asm
    {
        mov eax, a
        mul b
        mov c, eax
    }
    printf("%d", c);
}

30

200

Compilation error

Garbage value

Give the output of the following code snippet :

int func(int x)
{
    int *ptr;
    x=200;
    ptr=&x;
    return *ptr;
}
void main()
{
    int (*f[5])(int);
    *f=func;
    printf("%d",(f[0])(100));
}

100

200

Garbage value

Compilation error

Give the output of the following code snippet :

int main()

{
    int i = 3, a = 10, j = 5;
    _asm
    {
        Label3:   cmp         dword ptr[i], 5
        je          Label1
        mov         eax, dword ptr[i]
        add         eax, 1
        mov         dword ptr[i], eax
        cmp         dword ptr[i], 3
        je          Label2
        jmp         Label3
        jmp         Label4
        Label2 : mov         ecx, dword ptr[a]
        add         ecx, 1
        mov         dword ptr[a], ecx
        Label4 : jmp         Label3

    }
Label1:
    printf("%d", a);
}

10

15

12

13

Give the output of the following code snippet :

void main()
{
    int a = 10,*ptr;
    ptr=(int*)malloc(a*sizeof(int));
    ptr=&a;
    printf("%d",*ptr);
}

10

Address of a

Garbage value

Compilation error

Files Test1.c, Test1.h, Test2.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */

extern int value = 100;
/* Test1.c */

int value = 200;
void func()
{
    int value = 200;
    printf ( "Output = %d", value );
}

/* Test2.c */

#include"Test1.h"
int value = 100;

void main ()
{
    printf ( "Output = %d", value );
}

Output = 100

Output = 200

Compilation error : Redefinition of value.

Linker error : One or more multiply defined symbols found

Give the output of the following code snippet :

struct student
{
    int mark1;
    int mark2;

};
void main()
{
    struct student stud= {100,95,99,96};
    int *s;
    s=(int*)&stud;
    printf("%d",*s);
}

100

0

95

Compilation error

Give the output of the following code snippet :

void main()
{
    char str1[15]="Hello World";
    char str[10]="Yellow";
    char str2[10]="\0World";
    strcat(str,str2);
    printf("%d %c",strlen(str),"HelloWorld"[0]);
}

11 H

10 W

6 H

7 l

Give the output of the following code snippet :

struct student
{
    char *name;
};
struct student s[2], r[2];
void main()
{
    s[0].name = "Jenn";
    r[0] = s[0];
    printf("%s", r[0].name);
}

Jenn

Null

Garbage value

Compilation error

Give the output of the following code snippet :

int main()
{
    int i, *p, q;
    _asm
    {
        mov         dword ptr[i], 0Ah
        lea         eax, [i]
        mov         dword ptr[p], eax
        mov         ecx, dword ptr[p]
        mov         edx, dword ptr[ecx]
        sub         edx, 10
        add			eax,edx
        mov         eax, dword ptr[p]
        mov         dword ptr[eax], edx
        mov         ecx, dword ptr[p]
        mov         edx, dword ptr[ecx]
        add         edx, 0Ah
        mov         dword ptr[q], edx
        mov         eax, dword ptr[p]
        add         eax, 10
        mov         dword ptr[p], eax
    }
    printf("%d", q);
}

10

25

15

20

Give the output of the following code snippet :

int main()
{
    float x=10.00;
    float y=10.001;
    if( x == y)
        printf("%.0f",x++ + ++y);
    else
        printf("%.0f",--y-++x);
}

21

11

-2

-3

Give the output of the following code snippet :

void main()
{
    int a=20,c=0,b=0;
    _asm
    {
        mov eax,-30
        mov ebx,a
        cmp eax,ebx
        je Label2
        mov b,eax
        Label2:
        mov c,ebx

    }
    printf("%d %d",b,c);
}

-30 20

-30 0

0 -20

0 20

Give the output of the following code snippet :

int i=100;
void func(int i)
{
    printf("%d ",i);
}
void func2(int i)
{
    printf("%d ",i);
}
void func3()
{
    printf("%d ",i);
}
void main()
{
    int x=10;
    func(x);
    func2(x);
    func3();
}

10 10 Garbage value

10 10 100

10 10 10

Compilation error

Give the output of the following code snippet with the following command line arguments : >Test.c Hello World

int main(int argc, char *argv[])
{

    printf("%s\n", argv[argc-2]+3);
    return 0;
}

Hello

llo

lo

Compilation error

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 10, b = 10,c=10,d=10;
    __asm
    {
        mov eax,Label1
        mov dword ptr[c],eax
        call eax
        mov ebx,Label2
        mov ecx,100
        jmp ebx
        Label1 :
        mov a, ecx
        mov d, 50
        ret
        Label2 : mov b,100
        mov c,300
    }
    printf("%d %d %d %d", a,b,c,d);
}

64 50 100 300

10 10 0 0

10 10 100 300

0 100 300 50

Give the output of the following code snippet :

int mult(int x, int y)
{
    _asm
    {
        mov         eax,dword ptr [x]
        mul         dword ptr [y]
    }
}
void main()
{
    int(*fptr)(int a, int b);
    int a = 0;
    fptr=mult;
    _asm
    {
        push        64h
        push        4h
        call        dword ptr [fptr]
        add         esp,8
        mov         dword ptr [a],eax
    }
    printf("%d", a);
}

200

100

400

0

Give the output of the following code snippet :

union p
{
    int x;
    char y;
};
int main()
{
    union p p1[] = {1, 92, 3, 96};
    union p *ptr1 = p1;
    printf("%d\n",ptr1->y);
}

1

92

3

Compilation error

Give the output of the following code snippet :

void main()
{
    int i = 0, a = 10;
    _asm
    {
        Label2:  cmp         dword ptr[i], 1
        jne         Label1
        mov         eax, dword ptr[a]
        add         eax, 1
        mov         dword ptr[a], eax
        Label1 : mov         ecx, dword ptr[i]
        add         ecx, 1
        mov         dword ptr[i], ecx
        cmp         dword ptr[i], 3
        jne         Label2
    }

    printf("%d", a);
}

12

11

15

14

Give the output of the following code snippet run with the following commandline arguments: >Testfile.c one two

/* Testfile.c */

int main(int argc, char **argv)
{
    printf("%s\n", argv[argc-1]);
    return 0;
}

One

Two

0

Compilation error

The & operator cannot be used to applied to which of the following?

< NIL>

expressions

constants

register variables

All of the above

Give the output of the following code snippet :

struct q
{
    char *name;
    struct q *next;
};
struct q *ptrary;
int main()
{
    struct q *p;
    p->name = "Hello";
    ptrary = &p;
    printf("%s\n", p->name);
    return 0;
}

Hello

Garbage Value

Null

Compilation error

Give the output of the following code snippet :

struct point
{
    int x;
    int y;
};
void fun(struct point *p)
{
    p.x=10;
    printf("%d\n", p.x);
}
int main()
{
    struct point p1 = {1, 2};
    fun(&p1);
}

1

Compilation error

Garbage value

No output

Give the output of the following code snippet :

void main()
{
    const char arry[10]="Hello";
    char str[15]="World";
    char* ptr=str;
    *arry='Y';
    ptr=arry;
    printf("%s",ptr);
}

Hello

World

Compilation error

Yello

Give the output of the following code snippet :

void func(char *s)
{
    char *ptr;
    ptr=s;
    printf("%s",ptr);
}
void main()
{
    char *str=(char*)malloc(sizeof(char));
    func(str);
}

Garbage value

No output

Null

Compilation error

Give the output of the following code snippet :

void main()
{
    int k = 5;
    int *p = &k;
    int **m  = &p;
    **m = 6;
    printf("%d\n", k);
}

5

6

0

Compilation error

Give the output of the following code snippet run with the following commandline arguments: >Testfile.c Yellow Jello

/* Testfile.c */

int main(int argc, char *argv[])
{
    int i;
    for(i=1; i< argc; i++)
        printf("%s ", *(argv+1));
    return 0;
}

Yellow Jello

Yellow Yellow

Testfile.c Testfile.c

Compilation error.

Give the output of the following code snippet :

int sub1(int a, int b)
{
    return a - b;
}
void main()
{
    int (*fptr)(int, int);
    fptr = &sub1;
    printf("%d",(*fptr)(3,1));
}

2

1

Compilation error

No output

Give the output of the following code snippet :

void main()
{
    int a=10,b=20,c=30;
    unsigned int d=12;
    int x=10,y=20,z=30;
    x=a && b || c;
    y|=3;
    z=d & d;
    printf("%d %d %d",x,y,z);
}

1 23 12

1 18 16

1 17 -13

Compilation error

Give the output of the following code snippet :

struct node
{
    int data;
    struct node *next;
    struct node *prev;
}*head;

void func( int num )
{
    struct node *temp;
    temp=(struct node *)malloc(sizeof(struct node));
    temp->data=num;
    temp->next=head;
    temp->prev=NULL;
    while(head!=NULL)
        head=head->next;
    head=temp;


}

void  display()
{
    struct node *r;
    r=head->next;
    while(r->next!=NULL)
    {
        printf("%d ",r->data);
        r=r->next;
    }
}

void main()
{
    func(100);
    func(200);
    func(300);
    func(400);
    display();
}

100 200

300 200

100 200 300

400 300 200

Give the output of the following code snippet :

struct student
{
    char *name;
};
struct student* fun()
{
    struct student* s;
    s->name = "Anne";
    return s;
}
void main()
{
    struct student *m = fun();
    printf("%s", m->name);
}

Anne

No output

Garbage value

Compilation error

Give the output of the following code snippet :

void main()
{
    int a = 10;
    _asm
    {
        mov         eax, dword ptr[a]
        sub         eax, 5
        mov         dword ptr[ebp - 0D0h], eax
        cmp         dword ptr[ebp - 0D0h], 5
        je          Label1
        cmp         dword ptr[ebp - 0D0h], 0Ah
        je          Label2
        cmp         dword ptr[ebp - 0D0h], 0Fh
        je          Label3
        jmp         Label4

        Label1 : mov         dword ptr[a], 0Ah

        jmp         Label4

        Label2 : mov         dword ptr[a], 32h

        jmp         Label4

        Label3 : mov         dword ptr[a], 64h

    }
Label4:	printf("%d", a);
}

10

50

100

0

Give the output of the following code snippet :

void main()
{
    int a=40,c=10,b=20;
    _asm
    {
        mov eax,20
        mov ebx,dword ptr[c]
        sub eax,ebx
        jng Label2
        mov edx,b
        and edx,eax
        mov b,edx
        Label2:
        mov ecx,dword ptr[a]
        cmp ecx,ebx
        jne Label1
        add eax,ecx
        or eax,edx
        mov c,eax

    }
Label1:	printf("%d %d",b,c);
}

10 35

0 10

20 40

30 45

Give the output of the following code snippet :

void main()
{
    int x=0,z;
    float p=2.4567;
    double q=5.6543;
    float r=0.0;
    printf("%.2f %.4lf",p+q-r,q);
}

8. 11 5.6543

7.59 2.4567

8.1110 5.66

Compilation error

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])

{
    int a = 0, b =0, c=0,d=0;
    __asm
    {
        push 10
        push 20
        push 50
        push 40
        mov ebx,30
        mov eax, 40
        mov ecx,60
        call label1
        add eax,ebx
        mov a,eax
        mov c,edx
        add esp, 16
        jmp Label2
        label1:
        mov eax, dword ptr[esp + 4]
        mov a, eax
        add a, ebx
        mov eax, dword ptr[esp + 12]
        mov b, eax
        mov eax, dword ptr[esp + 20]
        xor edx,ecx
        mov c,eax
        and edx,ecx
        mov d,ebx
        ret
    }
Label2:
    printf("%d %d %d %d", a, b, c, d);

}

30 20 60 30

30 20 30 0

40 50 60 20

50 30 40 10

Files Test1.c, Test1.h, Test2.c and Test3.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */
extern int value;
void func();
void func1();
/* Test1.c */
#include "Test1.h"
int value = 300;
void func()
{
    value=200;
    printf ( "Output = %d\n", ++value );
    func1();

}

/* Test2.c */
#include "Test1.h"

void func1()
{
    value=200;
    printf ( "Output = %d\n", ++value );

}


/* Test3.c */

#include "Test1.h"

void main ()
{
    func1();
    func();
}

Output = 301 Output = 201

Output = 201 Output = 201 Output = 201

Compilation error : Redefinition of variable.

Linker error : One or more multiply defined symbols found.

Give the output of the following code snippet :

int main()
{
    int a = 20;
    int b = 10;

    int c=-(~(~a)+1);
    printf("%d",c);

}

-20

-21

-11

Compilation error

Give the output of the following code snippet :

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 100;
    __asm
    {

        cmp dword ptr[ebp - 4], 0C8h
        jne Label1
        mov dword ptr[ebp - 4], 64h
        jmp Label2
        Label1 : mov dword ptr[ebp - 4], 12Ch
    }
Label2:

    printf("%d", a);
    return 0;
}

64

0C8

100

Compilation error

Give the output of the following code snippet :

int main()
{
    int x=10,y=10,z=20;
    int a= --z <  ++y > x--;
    int c= ++x * --y;
    int b=(20,10)+a+(10,20,10)+c;
    printf("%d %d",b,c);
}

100 120

120 99

120 100

100 98

Consider the given code given below : Give the importance of the nodes temp4 and temp5.

void SortList()
{
    node *temp1,*temp2,*temp3,*temp4,*temp5;
    temp4=NULL;
    while(temp4!=Head->next)
    {
        temp3=temp1=Head;
        temp2=temp1->next;
        while(temp1!=temp4)
        {
            if(temp1->x > temp2->x)
            {
                if(temp1==Head)
                {
                    temp5=temp2->next;
                    temp2 -> next=temp1;
                    temp1->next=temp5;

                    Head = temp2;
                    temp3=temp2;
                }
                else
                {
                    temp5=temp2->next;
                    temp2 -> next=temp1;
                    temp1->next=temp5;

                    temp3->next = temp2;
                    temp3=temp2;
                }
            }
            else
            {
                temp3=temp1;
                temp1=temp1->next;
            }
            temp2=temp1->next;
            if(temp2 == temp4)
                temp4=temp1;
        }
    }
}

Current node and the next node.

Current node and the previous node.

Current node and a temporary node.

Temporary node to swap values and node used to find the end of the list.

Give the output of the following code snippet :

union u
{
    struct p
    {
        unsigned char x : 2;
        unsigned int y : 2;
    } p;
    int x;
};
int main()
{
    union u u;
    p.x = 2;
    printf("%d\n", p.x);
}

2

0

1

Compilation error

Give the output of the following code snippet:

void main()
{
    char *s = "hello";
    char *p = s[3];
    printf("%c\t%c", *p, s[1]);
}

h e

l e

Garbage value

Compilation error.

Give the output of the following code snippet :

void main()
{
    int x, *ptr1, y;
    _asm
    {
        mov         dword ptr[x], 14h
        lea         eax, [x]
        mov         dword ptr[ptr1], eax
        mov         ecx, dword ptr[x]
        add         ecx, 1
        mov         dword ptr[x], ecx
        mov         edx, dword ptr[ptr1]
        mov         eax, dword ptr[edx]
        add         eax, dword ptr[x]
        mov         dword ptr[y], eax
        mov         ecx, dword ptr[ptr1]
        add         ecx, 4
        mov         dword ptr[ptr1], ecx
    }
    printf("%d ", y);
}

44

47

59

63

Give the output of the following code snippet :

int main()
{
    int x=10,y=10,z=20,c;
    int a= --z <  ++y;
    int b= ++x > --y;
    printf("%d %d %d",a,b,c=10);
}

0 0 10

0 1 10

1 0 0

Compilation error

Give the output of the following code snippet :

struct node
{
    int x;
    struct node *next;
}*Head;

void ReverseList()
{
    node *temp1,*temp2,*temp3;
    temp1=Head;
    temp2=NULL;
    while(temp1!=NULL)
    {
        temp3=temp2;
        temp2=temp1;
        temp1=temp1->next;
        temp2->next=temp3;
    }
    Head=temp2;
}
void AddNode( int num )
{
    struct node *temp,*temp2;
    if(Head==NULL)
    {
        temp2=(struct node *)malloc(sizeof(struct node));
        temp2->x=num;
        temp2->next=NULL;
        Head=temp2;
    }
    else
        temp=Head;
    while(temp->next!=NULL)
        temp=temp->next;
    temp2=(struct node *)malloc(sizeof(struct node));
    temp2->x=num;
    temp2->next=NULL;
    temp->next=temp2;
}
void  Display()
{
    struct node *r;
    r=Head;
    while(r!=NULL)
    {
        printf("%d ",r->x);
        r=r->next;
    }
    printf("\n");
}

int main()
{
    AddNode(10);
    AddNode(5);
    AddNode(6);
    AddNode(100);
    AddNode(200);
    Display();
    ReverseList();
    Display();
}

200 100 6 5 10 10 5 6 100 200

10 5 6 100 200 200 100 6 5 10

200 100 6 5 10 200 100 6 5 10

Compilation error

Give the output of the following code snippet :

void func(int i)
{
    printf("%d ",i);
}
void func2(int i)
{
    printf("%d ",i);
}
void func3()
{
    printf("%d ",i);
}
void main()
{
    int x=10;
    func(x);
    func2(x);
    func3();
}

10 10 Garbage value

10 10 0

10 10 10

Compilation error

Give the output of the following code snippet with the following command line arguments : >Test.c 100 200 300

void func(char *arry[])
{
    for(int i=0; i< 4; i++)
        printf("%s ", (arry[i]));
}

int main(int argc, char *argv[])
{
    func(argv);
    return 0;
}

Test.c 100 200 300

100 200 300

0 100 200 300

Runtime error

Give the output of the following code snippet :

union stud
{
    int age;
    char *name;
};
void main()
{
    union stud s= {20};
    union stud *temp=(stud*)malloc(sizeof(stud));
    temp=&s;
    printf("%d",temp->age);
}

20

No output

Garbage value

Runtime error

Give the output of the following code snippet :

struct point
{
    int x;
    int y;
};
int main()
{
    struct point p = {1};
    struct point p1 = {1};
    if(p.x == p1.x)
        printf("Equal\n");
    else
        printf("not equal\n");
}

Equal

Not equal

Compilation error

No output

Give the output of the following code snippet :

struct node
{
    int data;
    struct node *next;
    struct node *prev;
}*head;

void func( int num )
{
    struct node *temp,*temp2;
    if (head== NULL)
    {
        temp=(struct node *)malloc(sizeof(struct node));
        temp->data=num;
        temp->next=NULL;
        temp->prev=NULL;
        head=temp;
    }
    else
    {
        temp=head;
        while (temp->next!=NULL)
            temp=temp->next;
        temp2=(struct node *)malloc(sizeof(struct node));
        temp2->data=num;
        temp2->next=NULL;
        temp->next=temp2;
        temp2->prev=temp;
    }

}


void  displayrev()
{
    struct node *r;
    r=head;
    while(r->next!=NULL)
        r=r->next;
    while(r!=NULL)
    {
        printf("%d ",r->data);
        r=r->prev;
    }
    printf("\n");
}

void  display()
{
    struct node *r;
    r=head->next;
    while(r->next!=NULL)
    {
        printf("%d ",r->data);
        r=r->next;
    }
    printf("\n");
}

void main()
{
    func(100);
    func(200);
    func(300);
    func(400);
    display();
    displayrev();
}

200 300 400 300 200 100

300 200 100 200 300

200 300 400 300 200

400 300 300 100 200 300

Give the output of the following code snippet :

void main()
{
    char *s = "SourceLens";
    char *p = s;
    printf("%c %c", *(p+1), s[10]);
}

o s

o n

o

Compilation error

Give the output of the following code snippet : What are the contents of the file 'Test.txt' after the code is executed?

void main()
{
    char x;
    FILE *fp;
    fp=fopen("Test.txt","w+");
    fprintf(fp,"%s","Hello","World");
    fclose(fp);
}

Hello World

Hello

Empty file

Compilation error

Give the output of the following code snippet :

void fun(int*);
int main()
{
    int i = 10;
    fun((&i)++);
}
void fun(int *p)
{
    printf("%d\n", *p);
}

10

Garbage value

Compilation error

0

Give the output of the following code snippet :

int(*funcptr) (char a);
int myfunc(char a)

{
    _asm
    {
        mov         byte ptr [a],48h
        mov         al,byte ptr [a]
        add         al,3
        mov         byte ptr [a],al
    }
    printf("%d",a);
    return 0;
}
int testCaller(int(*funcptr) (char a))
{
    _asm
    {
        push        7Ah
        call        dword ptr [funcptr]
        add         esp,4
    }
    return 0;
}

int _tmain(int argc, _TCHAR* argv[])
{
    testCaller(myfunc);
    return 0;
}

21

25

35

40

Give the output of the following code snippet :

void main()
{
    int i = 10,j = 2;
    int ary[2][2];
    *ary[1] = i;
    printf("%d\n", *ary[1]);
}

0

10

2

Compilation error

Give the output of the following code snippet who's solution configuration has been set to the DEBUG mode :

int main()
{
    int a = 0;
    int b = 0;
    int c = 0;
    _asm
    {
        mov eax, 10
        push eax
        mov ebx, dword ptr[esp]
        mov a, ebx
        mov ebx, dword ptr[esp + 4]
        mov b, ebx
        push 300
        mov ebx, dword ptr[esp + 8]
        mov c, ebx
        add esp,4
        pop eax
    }
    printf("%d %d %d", a, b, c);
}

10 300 0

300 10 0

10 0 0

Runtime error

Give the output of the following code snippet :

union p
{
    int x;
    char y;
};
int main()
{
    union p p1[] = {1, 92, 3, 96};
    union p *ptr1 = p1;
    printf("%d\n",ptr1->x);
}

1

92

3

Compilation error

Give the output of the following code snippet :

void print(char *str,...)
{
    int i;
    va_list marker;
    va_start(marker,str);
    i=va_arg(marker,int);
    i=va_arg(marker,int);
    i=va_arg(marker,int);
    printf("%d",i);
    va_end(marker);
}
int main()
{
    print('A',2,-1);
}

-1

2

0

Compilation error

Give the output of the following code snippet :

void main()
{
    int arr[]= {0x1,0x2,0x3,0x4};
    int i=5,j=3;
    int x=10;
    while(i>=0)
    {
        if( j && arr[i] || ~j)
            x++;
        i--;
    }
    printf("%d",x);
}

15

18

16

21

Give the output of the following code snippet :

int mod(int a, int b)
{
    return a % b;
}
void main()
{
    int (*fptr)( int,int)= &mod;
    printf("%d",(*fptr)(10,6));
}

1

4

0

Compilation error

Give the output of the following code snippet :

int main()

{
    int i = 3, a = 10, j = 5, sum = 0;
    _asm
    {
        Label3:   cmp         dword ptr[i], 0
        je          Label1
        mov         eax, dword ptr[a]
        add         eax, dword ptr[sum]
        mov         dword ptr[a], eax
        mov         ecx, dword ptr[i]
        sub         ecx, 1
        mov         dword ptr[i], ecx
        cmp         dword ptr[i], 2
        jne         Label2
        jmp         Label1
        Label2 : jmp         Label3

    }
Label1:
    printf("%d %d", a, sum);
}

6 10

6 0

10 0

7 9

Files Test1.c, Test1.h, Test2.c, Test2.h and Test3.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */
void func1();


/* Test2.h */
extern int value;
void func();

/* Test1.c */

#include"Test2.h"

void func()
{
    printf("Output = %d\n",value);
}

/* Test2.c */
#include"Test2.h"
int value = 200;

void func1()
{
    printf ( "Output = %d\n", ++value );

}



/* Test3.c */

#include "Test2.h"

void main ()
{
    func1();
    func();
}

Output = 201 Output = 201

Output = 101 Output = 200

Compilation error : Identifier not found

Linker error : Unresolved external symbol found.

Give the output of the following code snippet :

int main()
{
    char *a[2] = {"Hello"};
    printf("%d", sizeof(a));
    return 0;
}

2

5

4

8

Give the output of the following code snippet :

typedef struct stud s;
void func(struct stud *stuobj);
struct stud
{
    int no;
    int no2;
    s link;
};

void main()
{
    struct stud s= {10,20};
    func(&s);
}
void func(struct stud *stuobj)
{
    struct stud *s;
    s=stuobj;
    printf("%d",s->no);
}

10

No output

Compilation error

Garbage value

Which of the following are valid pointer operations in C?

< NIL>

Assignment of pointers of same data type.

Subtraction of a pointer and an integer

Subtraction of pointers that point to elements of the same array

All of the above

Give the output of the following code snippet :

void func(int i)
{
    void *j;
    j=&i;
    printf("%d",*j);
}
void main()
{
    int x=10;
    func(x);
}

10

0

Garbage value

Compilation error

Give the output of the following code snippet :

void main()
{
    char *str;
    char *str2;
    str="Hello";
    str2="World";
    str=str2;
    printf("%s",str);

}

Hello

World

Hello World

Runtime error

Give the output of the following code snippet :

void disp(int num,...);
int func();
void main()
{
    int (*ptr)();
    ptr=func;
    disp(100,ptr);
}
void disp(int num,...)
{
    int (*pfun)();
    int ptr;
    typedef int(*funcptr)();
    va_start(ptr,num);
    pfun=va_arg(ptr,funcptr);
    (*pfun)();
}
int func()
{
    printf("Hello World");
    return 0;
}

Hello World

Hello

No output

Compilation error

Give the output of the following code snippet : Assume the contents of the file 'Test.txt' is "Hello World".

void main()
{
    char ch,x;
    FILE *fp,*fp1;
    char str[20];
    fp=fopen("Test.txt","rb");
    fp1=fopen("Destn.txt","w");
    while(1)
    {
        ch=getc(fp);
        if(ch==EOF)
            break;
        else
        {
            fputc(ch,fp1);
        }
    }
    fclose(fp);
    fclose(fp1);
    fp1=fopen("Destn.txt","r");
    while((x=getc(fp1))!=EOF)
        printf("%c",x);

}

Hello

World

Hello World

Compilation error

Give the output of the following code snippet :

void main()
{
    int x, *ptr1, y;
    _asm
    {
        mov         dword ptr[x], 24h
        lea         eax, [x]
        mov         dword ptr[ptr1], eax
        mov         ecx, dword ptr[x]
        sub         ecx, 1
        mov         dword ptr[x], ecx
        mov         edx, dword ptr[ptr1]
        mov         eax, dword ptr[edx]
        add         eax, dword ptr[x]
        mov         dword ptr[y], eax
        mov         ecx, dword ptr[ptr1]
        add         ecx, 4
        mov         dword ptr[ptr1], ecx
    }
    printf("%d ", y);
}

77

84

70

68

Give the output of the following code snippet :

void func(char **a)
{
    printf("%d",strlen(*a));
}
void main()
{
    char *str1[15]= {"This","is","a","Hello","World","Program"};
    char **x;
    x=str1;
    func(x);
}

4

2

5

12

Give the output of the following code snippet run with the following commandline arguments: >Testfile.c Yellow Jello

/* Testfile.c */

int main(int argc, char *argv[])
{
    printf("%c", *++argv[1] );
    return 0;
}

ellow

Ello

e

Compilation error

Give the output of the following code snippet :

void main()
{
    char *s= "Hello";
    char *p = s;
    printf("%c  %c", *(p + 3),  s[1]);
}

l H

H e

l l

l e

Give the output of the following code snippet :

int main()
{
    int ary[4] = {1, 2, 3, 4};
    int *p = ary + 1;
    printf("%d\n", p[0]);
}

1

2

3

Compilation error

Files Test1.c, Test1.h, Test2.c, Test2.h and Test3.c are in same directory with the content given below. All files are in the same project of a console application. Predict the output of the program.

/*  Test1.h */
void func1(int);
extern int arg = 10;


/* Test2.h */
extern int value;
void func(int);

/* Test1.c */

#include"Test2.h"
void func1(int);
void func(int arg)
{
    func1(arg);
    value = 200;
    printf("Output = %d\n",arg+value);
}

/* Test2.c */
#include"Test2.h"

int value = 200;
void func1(int arg)
{
    value = 100;
    printf ( "Output = %d\n", arg+value );

}



/* Test3.c */

#include "Test1.h"
#include "Test2.h"

void main ()
{
    func(arg);
    func1(arg);

}

Output = 110 Output = 110

Output = 110 Output = 210 Output = 110

Compilation error : Multiple initialization.

Linker error : Unresolved external symbol found.

Give the output of the following code snippet run with the following commandline arguments: >Testfile.c one two three

/* Testfile.c */

int main(int argc, char **argv)
{
    printf("%s\n", *++argv+1);
    return 0;
}

Testfile.c

One

ne

Compilation error

Give the output of the following code snippet :

void func3(int x);
int i=100;
void func(int i)
{
    printf("%d ",i++);
}
void func2(int i)
{
    printf("%d ",i++);
    func3(i);
}
void func3(int i)
{
    printf("%d ",i++);
}
void main()
{
    int x=10;
    func(x);
    func2(x);
}

10 10 10

10 10 11

11 11 11

Compilation error