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Question Number 1

Which of the following is not a debugger :

GDB

Visual Studio Integrated Debugger

Adobe Photoshop

All of the above.

Question Number 2

Which of the following statements is true about a minimal function in C?

Does not perform any function.

Returns an integer value.

It is useful as a place holder in program development.

Both 1 and 3

Question Number 3

Give the output of the following code snippet :

int func(int a)
{
    int b=10,i=0;
    while(a!=0)
    {
        int c=a+b;
        a--;
        b--;
        printf("%d ",c);
        break;
    }

    return 0;
}
int main()
{
    int x=5;
    func(x);
}

Question Number 4

Give the output of the following code snippet :

void main()
{
    int i=0;
    do
    {
        i=i+3;
        printf("%d",i);
    }
    while(1);
}

Infinite loop

Compilation error

Question Number 5

Which of the following statements are true about recursion?

Recursion is a method where a function calls itself.

It is a method to accomplish looping.

Improper use of recursive functions lead to stack overflow.

All of the above.

Question Number 6

Which of the keywords denote the size and type of a variable in C :

auto

double

char

Both 2 and 3.

Question Number 7

Give the output of the following code snippet :

void main()
{
    int a=12,i=0;
    --a;
    i++;
    do
    {
        printf("%d",a);
        ++i;
    }
    while(--i);

}

Infinite loop

No output

Question Number 8

Identify the type of error in the given code :


void main()
{
    int a = 10;
    {
        printf("Hello world");

        printf("%d",a);
    }

End of file error.

Undeclared identifier.

Missing semicolon (;)

None of the above.

Question Number 9

How many elements does the array arr[25] contain?

None of the above

Question Number 10

Which of the following is a debugger :

GDB

Adobe Photoshop

Notepad ++

All of the above.

Question Number 11

Which of the following is an example of looping in C?

for

do-while

recursion

All of the above.

Question Number 12

Give the output of the following code snippet :

int i=10;
int func(int x)
{
    i++;
    return ++i;

}
int func2(int y)
{
    --i;
    return --i;
}
void main()
{
    int a=func(i);
    int b=func2(i);
    printf("%d",a+b);
}

Question Number 13

Which of the following are the user interfaces that help to debug a program with Visual Studio:

Call Stack Window

F9 to breakpoint

Memory Window

All of the above.

Question Number 14

Give the output of the following code snippet : Assume the input as 100

void main()
{
    int x=0,z;
    z=printf("%d ",scanf("%d ",&x));
    printf("%2d",z);
}

1 100

2 100

1 2

Compilation error

Question Number 15

Give the output of the following code snippet :

void func(int a,int b)
{
    int z=a >= b?a= a/b:a=20%10;
    printf("%d ",z);
}
int main()
{
    func(100,250);
    func(20,20);
}

200 10

250 20

20 20

0 1

Question Number 16

Give the output of the following code snippet :

void main()
{
    int a=10;
    a--;
    switch(a)
    {
    case 10 :
        printf("%d",a);
        break;
    case 9  :
        printf("%d ",a++);
        printf("%d ",a);
    }
}

10 9

9 10

10 10

Compilation error

Question Number 17

Give the output of the following code snippet :

void main()
{
    struct temp
    {
        int a;
        char b;
        struct temp1
        {
            char c;
        } p;
    };
    struct temp t1 = {10,'A','e'};

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

10 A Garbage Value

10 A e

Compilation error

No output

Question Number 18

Which of the following statements is true about the setvbuf() function?

If buf is NULL, it will be used as the buffer.

It controls the buffering for the stream.

It should be called before reading, writing or any operation.

All of the above.

Question Number 19

Give the output of the following code snippet :

struct p
{
    int k;
    char c;
};
int p = 10;
int main()
{
    struct p x;
    x.k = 10;
    printf("%d %d\n", x.k, p);
}

10 10

Compiler error

No output.

None of the above.

Question Number 20

Name the looping statements available in C :

goto

return

while

All of the above

Question Number 21

Visual Studio is NOT

IDE.

Text Editor.

Code Editor.

None of the above.

Question Number 22

In the while loop, how many times is the loop executed if the condition is false?

None of the above.

Question Number 23

Which is a Visual Studio edition.

Express.

Ultimate.

All of the above.

None of the above.

Question Number 24

Give the output of the following code snippet :

void main()
{
    int x=0,y=0,z=2;
    x+y+z>0?x=10:y=20;
    if(x&&y)
        printf("%d",10*x);
    else
        printf("%d",20*y);
}

100

200

400

Question Number 25

Give the output of the following code snippet :

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

Compilation error

Question Number 26

Which of the following methodologies are used to control the flow of the program in C?

if()

if else()

switch()

All of the above.

Question Number 27

When it comes to programming, the debugger is as helpful as the :

Operating System.

Compiler.

None of the above

Both 1 and 2

Question Number 28

Give the output of the following code snippet :

void main()
{
    int x=0,z;
    float p=2.4567;
    float q=5.6543;
    float r=0.0;
    printf("%4.4f",p+q-r);
}

7.5856

8.1110

8.1233

7.785

Question Number 29

Which of the following are constituents of a C program :

Keywords

Operators

Identifiers

All of the above

Question Number 30

Name the type of errors that occur due to a missing semi-colon(;) in a C program:

Linker error.

Syntax error from compiler.

End of file error

None of the above.

Question Number 31

Give the output of the following code snippet :

void main()
{
    for (int i=0; i <  2; i++)
    {
        for (int j = 0; j <  2; j++)
        {
            printf("1 ");

        }
        printf("2 ");
        break;
    }
    printf("Out of loop");
}

1 2 1 2 Out of Loop

1 1 2 Out of Loop

1 1 1 2 Out of Loop

1 2 2 Out of Loop

Question Number 32

What is the use of the compiler error code when an error occurs in a C program in VS?

Provides more information about the error that occurs.

The type of error can be identified based on the particular code.

Can be used to search online for help, based on the error code

All of the above

Question Number 33

Breakpoints allow you to :

Look at the state of the memory and variables in general.

See the state changes of variable in memory.

Understand the flow of a complicated program.

All of the above.

Question Number 34

Give the output of the following code snippet :

void main()
{
    int a=13,b=20;
    if(!a!=b&&a==!b)
        printf("%d",++a);
    else
        printf("%d",--b);
}

Question Number 35

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

void main()
{
    int x=0,z;
    z=printf("%d ",scanf("%d ",&x));
    printf("%d",z);
}

1 100

2 100

1 2

Compilation error

Question Number 36

Consider the given code snippet in C. What is the output of the program?

int a1=10;
void main()
{


    printf("%d",a1);
    printf("      %d",b1);


}

int b1=12;

10 12

10 0

Undeclared identifier error

None of the above.

Question Number 37

Which of the following is a storage specifier?

enum

union

auto

struct

Question Number 38

Which of the following are file positioning functions in C?

fseek()

fsetpos()

getpos()

Both 1 and 2

Question Number 39

Give the output of the following code snippet :

int func(int a)
{
    int b=10;
    return a+++ ++b;
}
int main()
{
    int x=5;
    int z=func(func(func(func(++x))));
    printf("%d",z);
}

Question Number 40

The keyword 'break' cannot be used within :

for

do-while

if-else

while

Question Number 41

Breakpoints do not allow you to :

Compile and run the program .

Allocate the memory for variables.

Understand the flow of a complicated program.

Both 1 and 2.

Question Number 42

Following is a challenge with Visual studio for a beginner,

Not user friendly.

Unfriendly release time lines.

All of the above.

None of the the above.

Question Number 43

Give the output of the following code snippet :

void main()
{
    int a=10;
    a--;
    switch(a)
    {
    case 10 :
        printf("%d",a);
        break;
    case 9  :
        printf("%d",a++);
        break;
        printf("%d",a);
    }
}

Compilation error

Question Number 44

If two strings are identical, then what does the strcmp() function return?

-1

None of the above.

Question Number 45

Which of the keywords denote the size and type of a variable in C :

auto

float

volatile

Question Number 46

Which of the following modes denote opening a binary file for reading?

rb+

Question Number 47

Give the output of the following code snippet :

void main()
{
    int i=0,j;
    for(i=-1,j=2; j< 5; j++)
    {
        if(j!=5)
            continue;
        else i++;
    }
    printf("%d",i);
}

-1

Compilation error

Question Number 48

Give the output of the following code snippet :

struct student
{
    char c[10];
};
void main()
{
    struct student s;
    printf("%d", sizeof(s));
}

Compilation error

Question Number 49

Give the output of the following code snippet :


void main()
{
    int i = 2;
    do
    {
        printf("Hi ");
    }
    while (i <  2)
    }

Hi Hi

Syntax error

None of the above

Question Number 50

Which of the keywords denote the size and type of a variable in C :

include

sizeof

char

extern

Question Number 51

Which of the keywords denote the size and type of a variable in C :

unsigned int

double

float

All of the above.

Question Number 52

Which of the following are not features of Debugging with Visual Studio :

Solution Explorer.

F9 to breakpoint

Memory Window

None of the above.

Question Number 53

Give the output of the following code snippet :

int main()
{
    printf("%d", d++);
}
int d = 10;

Compiler error.

Question Number 54

Which of the following is NOT related to a Microsoft Development tool package?

Debugging tools for windows

Driver Development Kit

Software Development Kit

None of the above

Question Number 55

Consider the given code snippet :


int main()
{
    int i = 0;
    do
    {
        i++;
        printf("in while loop\n");
    }
    while (i <  3);
}

How many times is the value of 'i' checked in the condition i <  3?

Question Number 56

Which of the following modes is used to indicate line buffering of text files in the setvbuf() function?

IOFBF

_IOFBF

_IOLBF

IOLBF

Question Number 57

Give the output of the following code snippet :

int main()
{
    int i=0;
    while(!i++)
    {
        printf("%d",i--+ ++i);
        main();
        return 0;
    }
}

Runtime error

Question Number 58

Give the output of the following code snippet :

int main()
{
    int i;
    for(i=0; i< =2; i++)
    {
        int i=5;
        printf("%d ",i);

    }
    printf("%d",i);

    return 0;
}

5 4 3 2

0 1 2 3

0 1 2 3 4 5

5 5 5 3

Question Number 59

Consider the given code snippet in C. What is the output of the program :

void main()
{

    char a=2345;
    printf("%c",a);

}

2345

A value less than 128

None of the above

Question Number 60

Which of the keywords denote the size and type of a variable in C :

int

double

float

All of the above.

Question Number 61

Give the output of the following code snippet :

struct p
{
    int mark1,mark2;
};

int main()
{
    struct p x = {50,50,50};
    printf("%d %d\n",x.mark1,x.mark2);
}

50 50

Compilation error

Runtime error

0 0

Question Number 62

Consider the given example of a function declaration in C. State which of the following is correct.

int add< int a,intb>

int add(int a,intb)

int add(int b,intc);

All of the above

Question Number 63

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

void main()
{
    FILE *fp,*fp1;
    char x[20];
    fp = fopen("Test.txt","r");
    char i=0;
    while(i=fgetc(fp)!=NULL)
    {
        printf("%c",i);
    }
    fclose(fp);

}

Hello

World

Infinite loop

Compilation error

Question Number 64

Give the output of the following code snippet :

void main()
{
    static int x;
    if (x++ <  2)
    {
        printf("Ho " );
        main();
    }
}

Ho Ho

Infinite loop

Compiler error.

Question Number 65

Give the output of the following code snippet :

void main( )
{
    float c;
    c = getchar( );
    printf( "\nYou entered: ");
    putchar( c );
}

Assume input as 2.45 :

2.45

Garbage value

Question Number 66

Platforms and software supported by Visual Studio are,

Sun Java.

Windows Phone.

All of the above.

None of the above.

Question Number 67

Give the output of the following code snippet :


int main()
{
    for (int i = 0; i < 1; i++)
        printf("In the loop");
}

In the loop

No output

Error

None of the above.

Question Number 68

Give the output of the following C code:



void main()
{

    int a=10,b=2;
    int t1=mult(a,b);

    int t2=mult(3,30);

    printf("Sum = %d", t1+t2);


}

int mult(int a, int b)
{
    return a*b;

}

110

Sum=110

Error

None of the above

Question Number 69

Which of the following is true for static variable?

Cannot be applied to internal variables.

It exists even after the function ends instead of losing scope.

External static declaration can be used only for variables.

All of the above.

Question Number 70

What is integrated into Visual Studio?

A text editor.

Internet Browsing.

Photo upload.

All of the above.

Question Number 71

Which of the following are the user interfaces that help to debug a program with Visual Studio:

Call Stack Window

Disassembly Window.

Memory Window

All of the above.

Question Number 72

Give the output of the following code snippet :

void main()
{
    int x=0,y=1,z=2;
    if((x==y)&(z==x+2))
        printf("%d",z);
    else
        printf("%d",++x);
}

Compilation error

Question Number 73

Give the output of the following code snippet :

void main()
{
    int a=10;
    switch(a)
    {
    case 10 :
        printf("%d",a);
        break;
    case a:
        printf("%d",a++);
        break;
        printf("%d",a);
    }
}

Compilation error

Question Number 74

Give the output of the following code snippet :

void main()
{
    char x=10;
    do
    {
        x=10;
        printf("%d ",x);

    }
    while(x!=20);
}

Infinite loop

Question Number 75

Which of the keywords denote the scope of a variable in C :

main

include

extern

case

Question Number 76

Give the output of the following code snippet :

void main()
{
    int a;
    for(a=0; a< 5; a++)
    {
        if(a< 3)
            continue;
        else
            printf("Hello world");
    }
}

No output

Hello world

Hello world Hello world

None of the above

Question Number 77

Development tools are normally NOT used for,

Writing email

Testing

Debugging

None of the above

Question Number 78

Give the output of the following code snippet :

struct student
{
    int id;
};
void main()
{
    struct student s[10];
    s.id[0] = 10;
    printf("%d", s.id[0]);
}

Compilation error

No output

Question Number 79

Which is a Visual Studio edition.

Free.

2009.

All of the above.

None of the above.

Question Number 80

Which mode is used to denote opening the binary file for update?

w+b

r+b

a+b

Question Number 81

Which of the following functions are available in the header file string.h in C?

strcpy

strcmp

strcat

All of the above.

Question Number 82

Visual studio supports

Perl

Sun Java

None of the above.

All of the above.

Question Number 83

Give the output of the following code snippet :

struct p
{
    int mark1,mark2;
};

int main()
{
    struct p x = {50};
    printf("%d %d\n",x.mark1,x.mark2);
}

50 50

50 0

0 0

Compilation error

Question Number 84

Give the output of the following code snippet :

struct student
{
    int mark1;
    int mark2;
} p[] = {0};
void main()
{
    printf("%d", sizeof(p));
}

Compilation error

Question Number 85

Give the output of the following code snippet :

void main()
{
    int i = 0;
    for (i = 0; i <  3; i++)
    {
        if (i > 1)
            break;
        printf("Ho ");
    }
}

Ho Ho

Ho Ho Ho

Ho Ho Ho Ho

No output

Question Number 86

Which of the following statements is true about Strings in C :

Strings are array of characters in memory.

A string literal is a group of characters enclosed within double quotes.

The array of characters end with a 0(null) or null character.

All of the above.

Question Number 87

Visual Studio is NOT

An IDE

A linker.

A debugger.

More than one of the above.

Question Number 88

Give the output of the following code snippet :

float func(int a)
{
    int i=10;
    if(i< =0)
        return a+10;
    else
        return a-10;
}
int main()
{
    float a=func(10*5+5);
    printf("%.2f",a);

}

45.00

Compilation error

Question Number 89

Versions of Visual Studio are,

2005.

2010.

All of the above.

None of the above.

Question Number 90

Which of the following is a debugger :

Microsoft Word.

Visual Studio Integrated Debugger

None of the above

Both 1 and 2

Question Number 91

Give the output of the following C code:

void hello()
{
    printf("Welcome");
}


void main()
{
    hello();
    printf("I repeat");
    hello();
}

Welcome

I repeat Welcome

Welcome I repeat Welcome

Welcome I repeat

Question Number 92

Give the output of the following C code:

int mult(int a, int b)
{
    return a*b;

}

int sum ( int a, int b)
{
    return a+b;
}

void main()
{

    int a=10,b=2;
    int t1=mult(a,b);

    int t2=mult(3,30);

    printf("Sum = %d", sum(t1,t2));


}

110

Sum=110

Sum = 90

None of the above

Question Number 93

Give the output of the following code snippet :


int main()
{
    int i=0;
    for(i=0; i< 5; i++)
    {
        if((i==2)||(i==4))
            break;
        printf("Ho");
    }
    printf("Hello World");

}

Hello world

HoHoHoHello World

HoHoHello World

None of the above.

Question Number 94

What is the escape sequence used to denote a tab space in C?

Question Number 95

Visual Studio is NOT

Source code of the program.

A linker.

A debugger.

All of the above

Question Number 96

Give the output of the following code snippet :

struct p
{
    int k;
    char c;

};
int main()
{
    struct p x[5];
    x[0].k=10;
    x[0].c='B';
    printf("%d %c\n", x[1].k,x[1].c);
}

0 0

10 B

Garbage value

No output

Question Number 97

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

void main()
{
    int x=0,z;
    z=printf("%d ",scanf("%d ",x));
    printf("%d",z);
}

1 100

2 100

1 2

Compilation error

Question Number 98

Give the output of the following code snippet :

int func(int a)
{
    int b=0,i=0;
    a=b;
    while(a< =0)
    {
        int c=a+b;
        a--;
        b--;
        printf("%d ",c);
        func(b);
    }
    return 0;
}
int main()
{
    int x=5;
    func(x);
}

Runtime error

Question Number 99

Which of the following is a valid string definition?

char arr[11]="Test String";

int arr[11]="TestString";

String arr[11]="TestString";

All of the above

Question Number 100

What are the functions that are available to manipulate strings in C?

String copy

String concatenation

String length

All of the above.

Question Number 101

Give the output of the following code snippet :

void main()
{
    char new1[]="Hi";
    for(int i=0; i< 3; i++)
    {
        printf("%d  ",new1[i]);
    }
}

No output

Compiler error

72 105

72 105 0

Question Number 102

Give the output of the following code :

struct p
{

    char c;
    float f;
};

int main()
{
    printf("%c %f \n", c, f);
}

0 0.0

Garbage value

Compilation error

No output.

Question Number 103

Give the output of the following code snippet :

int func(int a)
{
    int b=0,i=0;
    a=b;
    while(a!=0)
    {
        a--;
        b--;
        func(b);
    }
    printf("%d %d",a,b);
    return 0;
}
int main()
{
    int x=5;
    func(x);
}

1 1

0 0

No output

Runtime error

Question Number 104

Give the output of the following code snippet :

void main()
{
    int x=0,y=1,z=2;
    if((x==y)&&(z==x+2))
        printf("%d",z);
    else
        printf("%d",++x);
}

Compilation error

Question Number 105

Name the feature used in Visual Studio to help debugging.

Breakpoints

Task List.

All of the above

None of the above

Question Number 106

Give the output of the following code :

struct student
{
    int no;
    char name[20];
};

void main()
{

    struct student s;
    no = 8;
    printf("%d", no);
}

No output

Compiler error

Garbage value.

Question Number 107

Which of the following functions are required to access and create a file in C?

fopen()

fread()

fwrite()

All of the above

Question Number 108

Which is the function used to length of a string in C?

strlen

strcat

strcpy

None of the above

Question Number 109

A function in C must always return a value. State true or false :

Always true.

Always false.

Sometimes true and sometimes false

None of the above.

Question Number 110

Give the output of the following code snippet :

void main()
{
    int x=0,y=1,z=2;
    x+y+z>1?x=10:y=20;
    if(x==10||y==20)
        printf("%d",10*x);
    else
        printf("%d",20*y);
}

100

200

400

Compilation error

Question Number 111

Give the output of the following code snippet :

void main()
{
    int i=0;
    int sum=0;
    do
    {
        printf("%d",i);
        sum+=i;
    }
    while(i=1);
}

Infinite loop

Compilation error

Question Number 112

Which of the following is a storage specifier?

enum

static

auto

Both 2 and 3

Question Number 113

Give the output of the following code snippet :

struct Point
{
    int x;
    int y;
};

int main()
{
    struct Point p1 = {10, 20};
    struct Point p2 = p1;
    if (p1.x == p2.x)
        printf("p1 and p2 are same ");
}

p1 and p2 are same

No output

Compilation error

Runtime error

Question Number 114

Which keyword in C does not change the number of iterations which could have been executed by the condition?

break

return

continue

None of the above

Question Number 115

Versions of Visual Studio are,

2006.

2007.

2010.

None of the above.

Question Number 116

The arguments to a function in C are enclosed within

Curly braces {}

Parentheses ()

Square brackets []

None of the above

Question Number 117

Which of the following is a valid string definition?

char arr[]="TestString";

int arr[10]="TestString";

String arr="TestString";

All of the above

Question Number 118

Versions of Visual Studio are,

2006.

2007.

2009

None of the above.

Question Number 119

Which is the header file used to help manipulate strings in C?

stdio.h

math.h

string.h

None of the above.

Question Number 120

Give the output of the following code snippet :


int main()
{
    while(0)
    {
        printf("Hello world");
    }
    return 0;
}

Hello World

No output

Compiler error

Infinite loop

Question Number 121

Consider the given code snippet in C. What is the output of the program :

void hello();
int a1=10;
void main()
{

    int a1=20;
    printf("%d",a1);

}

Compilation error

None of the above

Question Number 122

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

void main()
{
    FILE *fp,*fp1;
    char x[20];
    fp = fopen("Test.txt","r");
    int i=0;
    while(fgets(x,5,fp)!=NULL)
    {

    }
    puts(x);
    fclose(fp);

}

Hello

World

Rld

Orld

Question Number 123

Which of the following are keywords in C:

break

continue

default

All of the above

Question Number 124

Give the output of the following code snippet :

void main()
{
    int i=0;
    int sum=0;
    do
    {
        printf("%d",i);
        sum+=i;
        i++;
    }
    while(!i);
}

Infinite loop

Compilation error

Question Number 125

Give the output of the following code snippet :


int main()
{
    int i;
    int arr[3] = {0};
    for (i = 0; i < = 3; i++)
        printf("%d ", arr[i]);
    return 0;
}

Compiler Error

0 0 0 0

0 0 0 Garbage value

None of the above

Question Number 126

Give the output of the following code snippet :

int func()
{
    int i=10;
    if(i!=0)
        return 10;
    else
        return 20;
}
int main()
{
    int a=func();
    printf("%d",a);

}

Compilation error

Question Number 127

Where should a function be defined in a C program to be called from the main function in a single file program?

Above the main function.

Below the main function.

Either 1 or 2.

None of the above.

Question Number 128

Give the output of the following code snippet :

struct student
{
    int id;
};
void main()
{
    struct student s[10];
    s[0].id = 10;
    printf("%d", s[0].id);
}

Compilation error

No output

Question Number 129

Which of the following functions control the buffering of the stream?

ctrlbuf()

setbuff()

setvbuf()

setbuffer()

Question Number 130

Which of the following operators performs the same function of the logical AND operator?

All of the above.

Question Number 131

Give the output of the following code snippet :

int main()
{
    int i;
    for (i = 1; i !=6; i += 2)
        printf("Ho ");
    return 0;
}

Ho Ho Ho

Ho Ho

Infinite loop

None of the above.

Question Number 132

Which is NOT a Visual Studio edition.

Express.

Free.

Ultimate.

Professional.

Question Number 133

Give the output of the following code snippet :

int main()
{
    do
        printf("In while loop ");
    while (0);
    printf("After loop\n");
}

In while loop

In while loop After loop

After loop

Infinite loop

Question Number 134

Which of the following statements is true about structures in C?

It is a collection of same data types.

It is a collection of different data types.

They are similar to arrays.

Both 2 and 3.

Question Number 135

Give the output of the following code snippet :

struct p
{
    int k;
    char c;
    float f;
};
int main()
{
    struct p x = {10,25,2.5};
    printf("%f\n", x.f);
}

2.5

No output

Compiler error

Question Number 136

Give the output of the following code snippet :

struct student
{
    int no;
};
void main()
{
    struct student s;
    s.no=1001;
    printf("%d",s.no);
}

1001

No output

Compilation error

Question Number 137

Give the output of the following code snippet :

void main()
{
    int a=13;
    if(a==12)
    {
        a==12?a=0:a=1;
        if(a==0)
            a++;
        else
            a--;
    }
    else
        a-2;
    printf("%d",a);
}

Question Number 138

Which mode is used to denote opening the text file for writing but discards any previous contents if any?

Question Number 139

Which of the following statements is not true about the fclose() function?

Writes any unwritten data from stream to buffer.

Returns 0 if an error occurs

Frees any automatically allocated buffer.

Both 1 and 2

Question Number 140

Give the output of the following code snippet :

void main()
{
    int a=30,b=20,c=50;
    if(a % b == c % 2)
        b=10;
    else
        c=40;
    a=50;
    printf("%d %d %d",a,b,c);
}

50 20 40

30 20 40

50 20 50

30 20 50

Question Number 141

Which of the following functions is used to set the file position for the stream?

ftell()

fseek()

rewind()

fgetpos()

Question Number 142

Which mode is used to denote opening the text file for writing, where the writing is done at the end?

Question Number 143

Which of the following is not a debugger :

Picasa

WinDbg

GDB

All of the above.

Question Number 144

How many elements can the array arr[10][5] hold?

None of the above.

Question Number 145

Give the output of the following code snippet :

register int x;
void main()
{

    printf("%d", x);
}

Compiler error

Garbage value.

Question Number 146

What is Visual Studio?

A photo editor.

A text editor.

A movie editor.

All of the above.

Question Number 147

Give the output of the following code snippet :

int main()
{
    int a,b;
    int func(int,int);
    a=func(100,250);
    b=func(20,20);
    printf("%d %d",a,b);
}
int func(int a,int b)
{
    int z= a >= b?(a= a*b): (a=20/b) ;
    return z;
}

0 400

20 200

100 200

40 100

Question Number 148

In C, which of the following are the possible scope of a variable?

local

global

static

All of the above

Question Number 149

In C, if you pass an array as an argument to a function, what actually gets passed?

Value of elements in array

First element of array

Base address of the array

Address of last element of array.

Question Number 150

Platforms and software supported by Visual Studio are,

Windows.

Microsoft Office.

All of the above.

None of the above.

Question Number 151

For a 32 bit float number with 6 significant bits, the magnitude lies between :

10^-38 to 10^+38

2^-38 to 2^+38

10^-36 to 10^+36

2^-38 to 2^+38

Question Number 152

Give the output of the following code snippet :

int k()
{
    printf("Hello");
}
struct p
{
    int k();
    char c[10];

};
int main()
{
    struct p x;
    printf("%d",x.k());
}

Hello

No output

Garbage value

Compilation error

Question Number 153

Give the output of the following code snippet :

int main()
{
    float a,b;
    int func(int,float);
    a=func(100,250.5);
    b=func(20,20.75);
    printf("%.2f %.2f",a,b);
}
int func(int a,float b)
{
    return ((float)a+b);
}

350 40

350.00 40.00

250.00 20.00

Compilation error

Question Number 154

Free Edition of Visual Studio is,

Premier.

Professional.

Express.

None of the above.

Question Number 155

Which mode is used to denote opening the binary file for update but discards any previous contents if any?

w+b

r+b

Question Number 156

Which of the keywords denote the size and type of a variable in C :

double

static

All of the above.

Question Number 157

Which of the following statements is true about a text stream in C?

A sequence of characters divided into lines.

Each line in a text stream has zero or more characters which end with a new line character.

Functions such a getchar() and putchar()can be used for reading and writing a single character at the time.

All of the above.

Question Number 158

A function can be used as a parameter for another function. State true or false :

Always true.

Always false.

Sometimes true and sometimes false.

Not enough information to provide the right answer .

Question Number 159

The steps to start a New Wizard in Visual Studio 2010 is,

File > NewProject

Options > NewSolution

Options >NewWizard

None of the above.

Question Number 160

Give the output of the following code snippet :

void main()
{
    char new1 ='c';
    if(( new1 =='C') || (new1 =='c'))

        printf("Same");
    else
        printf("Not Same");

}

Not Same

Same

Either 1 or 2

None of the above.

Question Number 161

Give the output of the following code snippet :

int main()
{
    struct value
    {
        int mark1;
        int mark2;
    } val= {10,20};

    printf("%d %d\n", val.mark1,val.mark2);
}

10 20

No output

0 0

Compilation error

Question Number 162

Give the output of the following code snippet :

void main()
{
    int a=10;
    switch(a)
    {
    case 10 :
        printf("%d",a);
        continue;
    case a:
        printf("%d",a++);
        break;
        printf("%d",a);
    }
}

10 11

Compilation error

Question Number 163

Give the output of the following code :

void main()
{
    char new1[]= { 0 };
    strcpy(new1,"Jello");
    int n=strlen(Jello);
    printf("%d ",n);
}

Undeclared identifier error

No output

Question Number 164

Give the output of the following code snippet :


void main()
{
    static int x;
    printf("x is %d", x);
}

Compiler error

Garbage value

Question Number 165

Give the output of the following code snippet :

int main()
{
    int i=0;
    while(!i++)
    {
        printf("%d",i--+ ++i);
        main();
    }
}

Runtime error

Question Number 166

Which of the following statements is true about the fclose() function?

Writes any unwritten data from stream to buffer.

Discards any unread buffered input

Frees any automatically allocated buffer.

Both 2 and 3

Question Number 167

Give the output of the following code snippet :

void main()
{
    int a=10;
    switch(a--)
    {
    case 10 :
        printf("%d ",a);
    case 9  :
        printf("%d ",a++);
        printf("%d ",a);
    }
}

10 10 10

9 9 9

9 9 10

9 10 10

Question Number 168

How can you deal with errors during compilation of a C program in VS?

Search using the error code that is displayed in the output window.

Use online help from forums to detect the error.

Either 1 or 2

None of the above.

Question Number 169

Give the output of the following code snippet :

struct p
{
    int k;
    char c[10];
    float f;
};
int p = 10;
int main()
{
    struct p x = {1,"Hello"};
    printf("%s %d\n", x.c, p);
}

Hello

Hello 10

No output

0 10

Question Number 170

What is the output of the given code if the file 'Test.txt' is not present?

void main()
{
    char x;
    FILE *fp;
    fp=fopen("Test.txt","r");
    while((x=getc(fp))!=EOF)
        printf("%c",x);
    printf("\n");
    fclose(fp);
}

No output

Null

Garbage value

Runtime error

Question Number 171

Which of the following functions are available in the header file string.h in C?

strcpy

strcmp

strlen

All of the above.

Question Number 172

Which of the following is a valid initialization of a multidimensional array?

int arr[5][5]={0};

int arr[5][5]={{0}};

int arr[5][5]=((0));

None of the above.

Question Number 173

What is the escape sequence used to denote backslash in C?

Question Number 174

Give the output of the following code snippet :

void main()
{
    struct temp
    {
        int a;
        char b;
        struct temp1
        {
            char c;
        } p;
    };
    struct temp t1 = {10,'A','e'};

    printf("%d %c %c ",t1.a,t1.b,t1.p.c);
}

10 A Garbage Value

10 A e

Compilation error

No output

Question Number 175

Give the output of the following code snippet :

int func(int a)
{
    int b=10;
    return a+++ ++b;
}
int main()
{
    int x=5;
    int z=func(func(func(func(5))));
    printf("%d",z);
}

Question Number 176

What are the two ways in which the arguments can be passed to a function?

By value.

By reference.

Either 1 or 2

None of the above.

Question Number 177

Give the output of the following code snippet :

int main()
{
    struct emp
    {
        char name[25];
        int age;
    };
    struct emp e;
    e.name = "Jenna";
    e.age = 25;
    printf("%s %d\n", e.name, e.age);
    return 0;
}

Jenna 25

Garbage value 25

Compiler error

No output

Question Number 178

Visual Studio is NOT

IDE.

Debugger.

All of the above.

None of the above.

Question Number 179

Give the output of the following code snippet :

int main()
{
    while()
    {
        printf("Hello world");
    }
    return 0;
}

Hello world

No output.

Compile time error.

None of the above.

Question Number 180

Platforms and software supported by Visual Studio are,

Windows.

Open Source.

All of the above.

None of the above.

Question Number 181

Consider the given example of a function declaration in C. State which of the following is valid.

int add< int a,intb>

int add(int ,int);

int add(int b,intc);

Either 2 or 3

Question Number 182

Give the output of the following code snippet :

void demo();
int main()
{
    demo();
    return 0;
}

void demo()
{
    printf("Hello ");

}

Hello

Compiler error.

Runtime error.

No output.

Question Number 183

Which of the following are keywords in C:

struct

enum

union

All of the above

Question Number 184

Which of the keywords denote the size and type of a variable in C :

auto

static

char

All of the above.

Question Number 185

Give the output of the following code snippet :

void countFun ( int count )
{

    if ( count < = 5 )
    {
        printf(" %d ", count);
        countFun( count + 1 );
    }
}
int main()
{
    countFun ( 2 );
}

1 2 3 4

2 3 4 5

2 3 4

No output

Question Number 186

What is the return type of the getchar() function?

int

char

float

string

Question Number 187

External static declaration can be applied to functions as well. State true or false :

Always true.

Always false.

Sometimes true and sometimes false.

Not enough information to provide the right answer .

Question Number 188

Give the output of the following code snippet :

struct Point
{
    int x;
    int y;
};

int main()
{
    struct Point p1;
    struct Point p2 = p1;
    printf("%d  %d", p2.x, p2.y);
    getchar();
}

0 0

No output

Garbage value Garbage value

Compilation error

Question Number 189

Which of the following are constituents of a C program :

Keywords

Comments

Operators

All of the above

Question Number 190

Give the output of the following code snippet :

int i=10;
int func(int x)
{
    i++;
    return ++i;

}
int func2(int y)
{
    i=30;
    --i;
    return --i;
}
void main()
{
    int a=func(i);
    int b=func2(i);
    printf("%d",a*b);
}

300

356

336

339

Question Number 191

Platforms and software supported by Visual Studio are,

Windows Azure.

GNU C.

All of the above.

None of the above.

Question Number 192

Which of the keywords denote the size and type of a variable in C :

int

short

unsigned char

All of the above.

Question Number 193

Show the correct order of execution for creating and executing a program in Visual Studio:

New Project Creation -> Create Program-> Run -> Compile-> Debug created application.

New Project Creation -> Create Program-> Compile -> Debug created application -> Run.

New Project Creation -> Create Program-> Compile -> Run/ Debug created application.

New Project Creation -> Create Program-> Debug created application -> Compile-> Run.

Question Number 194

Give the output of the following code snippet :

struct student
{
    int no;
};
void main()
{
    struct student s;
    no=10;
    printf("%d",no);
}

Garbage value

Compilation error

Question Number 195

Which of the following statements are true regarding a function in C?

It is a part of the program which can be called to do a specific task.

We can pass variables to a function and return a value from the function.

A computer program can depend on a function to delegate a particular job.

All of the above.

Question Number 196

Give the output of the following code snippet :

void func()
{
    int j=20;
    printf("%d",j);
}
void func()
{
    int i=10;
    printf("%d",i);
}
int main()
{
    func();
    func();
}

10 20

20 10

Compilation error

Question Number 197

The rewind(fp) function is equivalent to which of the following functions?

ftell(File *stream)

fseek(fp,0L,SEEK_SET)

fseek(fp,1L,SEEK_SET)

fgetpos(FILE *stream,fpos_t *ptr)

Question Number 198

Give the output of the following code snippet :

struct p
{
    int k;
    char c;

};
int main()
{
    struct p x[5];
    x[0].k=10;
    x[0].c='a';
    printf("%d %d\n", x.k,x.c);
}

10 a

10 0

10 97

Compiler error

Question Number 199

Which of the keywords denote the scope of a variable in C :

long

extern

union

None of the above.

Question Number 200

Give the output of the following code snippet :

void main()
{
    int x=0,y=1,z=2;
    x+y-z>10?x=100:y=200;
    if(x==100||y==200)
        printf("%d",2^x);
    else
        printf("%d",2^y);
}

200

100

Question Number 201

Give the output of the following code snippet :

int func(int a,int b)
{
    int z=a >= b?return ((a= a/b): (a=20%10)) ;
}
int main()
{
    int a,b;
    a=func(100,250);
    b=func(20,20);
    printf("%d %d",a,b);
}

200 100

100 20

250 20

Compilation error

Question Number 202

Which of the following steps are required to execute a C program in Visual Studio?

Create program

Compile

Debug

All of the above

Question Number 203

Identify the type of error in the given code :


void main()
{
    int a = 10;
    printf("Hello world");
    printf("%d",A)
}

End of file error.

Undeclared identifier.

Missing semicolon (;)

Both 2 and 3

Question Number 204

Give the output of the following code :

void main()
{
    char new1[]= { 0 };
    strcpy(new1,"Jello");

    int n=strlen(new1);
    printf("Length : %d ",n);
}

Length : 6

Length : 5

Length : 7

No output.

Question Number 205

According to the presenter, to overcome the learning curve with Visual Studio, with ease, it’s better to

Watch videos.

Read documentation.

Read books.

All of the above.

Question Number 206

Versions of Visual Studio are,

2006.

2007.

2008

None of the above.

Question Number 207

Visual studio supports

Perl

Sun Java

All of the above.

Question Number 208

Visual Studio has

Coloring for code

Auto Completions for code

All of the above

None of the above

Question Number 209

Following is a challenge with Visual studio for a beginner,

Not user friendly.

Abstraction.

Unfriendly release time lines.

All of the above.

Question Number 210

Which of the keywords denote the size and type of a variable in C :

signed char

unsigned short

int

All of the above.

Question Number 211

Give the output of the following code snippet :

void main()
{
    int i=0;
    do
    {
        printf("%d",i);
        i++;
    }
    while(i);
}

Infinite loop

Compilation error

Question Number 212

How many arguments are passed to the strlen function for string manipulation in C?

None of the above.

Question Number 213

Give the output of the following code snippet :

void main()
{
    char x;
    FILE *fp;
    fp=fopen("Test.txt","r");
    if(fp==NULL)
    {
        printf("Fail");
        exit(0);
    }
    else
        printf("Available");
    fclose(fp);
}

No output

Fail

Available

Runtime error

Question Number 214

Which of the following is an example of loop in C?

break

do-while

switch-case

None of the above.

Question Number 215

Give the output of the following code snippet :


int main()
{
    int i,j,k;
    for(i=0,j=2,k=1; i< =4; i++)
    {
        printf("%d ",i+j+k);
    }
    return 0;
}

Compiler error

3 4 5 6

3 4 5 6 7

None of the above.

Question Number 216

Name some of the basic errors that may occur during compilation of a C program :

Missing braces {} or parentheses ()

Missing semi-colon at the end (;)

Variables and functions should be declared before use.

All of the above.

Question Number 217

Give the output of the following code snippet :

struct p
{
    int k;
    char c;

};
int main()
{
    struct p x[5];
    x[0].k=15;
    x[0].c='B';
    printf("%d %c\n", x[0].k,x[0].c);
}

15 B

15 0

15 66

Compiler error

Question Number 218

Which of the following functions is used to remove a named file?

rem()

rmve()

remove()

remfile()

Question Number 219

Which is the keyword used to create a structure in C?

structure

struct

array

enum

Question Number 220

Give the syntax for the do-while loop in C :

do;
{action}
while(cond)

do
{action}
while(cond);

while(condition);
do

None of the above.

Question Number 221

Which of the following statements is an example of an array initialization in C?

int arr[5]={1,2,3,4};

int arr[5]={1;2;3;4};

int arr[5]=(1,2,3,4);

None of the above

Question Number 222

Which integer expression contains a error number that gives further information about most recent error?

errnumber

errornum

errornumber

errno

Question Number 223

Give the output of the following code snippet :

void main()
{
    int i=0;
    do
    {
        i=i+3;
        i++;
        printf("%d",i);
    }
    while();
}

Compilation error

Question Number 224

Give the output of the following code snippet when the file 'Test.txt' is not available :

void main()
{
    char x;
    FILE *fp;
    fp=fopen("Test.txt","r");
    if(fp==NULL)
    {
        printf("Fail");
        exit(0);
    }
    fclose(fp);
}

No output

Null

Fail

Runtime error

Question Number 225

Which of the following functions are available in the header file string.h in C?

strcat

strcmp

strlen

All of the above.

Question Number 226

Give the output of the following code snippet :

void main()
{
    char x=10;
    do
    {
        x+=10;
        printf("%d ",x);

    }
    while(x!=20);
}

Infinite loop

Question Number 227

Give the output of the following code snippet :

int func(int a)
{
    int b=10,i=0;
    while(a!=0)
    {
        int c=a+b;
        a--;
        b--;

    }
    printf("%d ",c);
    return 0;
}
int main()
{
    int x=5;
    func(x);
}

Compilation error

Question Number 228

Consider the given C code:

main()
{
    int val;
    char val1;
    printf("Welcome to the test");
    printf("Have a good day");
}

Identify the identifiers in the program

char

val1

printf

Both 2 and 3

Question Number 229

Which of the following statements is true about Strings in C :

Strings can be manipulated similar to arrays.

A string literal is a group of characters enclosed within double quotes.

The array of characters end with a 0(null).

All of the above.

Question Number 230

Give the output of the following program :

struct emp
{
    char n[10];
    int age;
};

void main()
{

    struct emp e1 = {"Hello", 23};
    struct emp e2 = e1;
    printf("%s\n", e2.n);

}

Hello

No output

Compiler error

Garbage value

Question Number 231

Which mode is used to denote opening the binary file for writing, where the writing is done at the end?

w+b

a+b

Question Number 232

Which of the following statements is true about the setvbuf() function?

The function returns an EOF for any error.

It controls the buffering for the stream.

It can be called after reading, writing or any operation.

All of the above.

Question Number 233

Which of the keywords denote the size and type of a variable in C :

int

char

float

All of the above.

Question Number 234

Which of the following is NOT related to a Microsoft Development tool package?

Debugging tools for windows

Driver Development Kit

Microsoft Office Suite

None of the above

Question Number 235

How can an array of strings be represented as?

2D or a multidimensional array.

Array of array of characters

Either 1 or 2.

None of the above.

Question Number 236

Give the output of the following code snippet :

void main()
{
    Test();
    void Test()
    {
        printf("Hello");
    }
}

Hello

No output

Compiler error.

None of the above.

Question Number 237

Give the output of the following code snippet :

struct test
{
    int k;
    char c;
    float f;
};
int main()
{
    struct test var = {5,80,2.0};
    printf("%f\n", var.f);
}

Garbage value

2.000000

0.000000

Question Number 238

Give the output of the following code snippet :

void main()
{
    int x=25,y=1;
    do
    {
        if(x>5)
            printf(" One");
        else if(x>10)
            printf(" Two");
        else
            printf(" Three");
    }
    while(y--);
}

One Two

One

Two

One One

Question Number 239

Give the output of the following code snippet :

int main()
{
    int i=0;
    if(i--)
    {
        printf("%d",i++);
        main();
    }
    else
        printf("%d",--i);
}

-1

-2

Question Number 240

Which of the keywords denote the size and type of a variable in C :

conio

include

char

All of the above.

Question Number 241

Give the output of the following code snippet :

struct point
{
    int x;
    int y;
};
struct point2
{
    int x;
    int y;
};
int main()
{
    struct point p = {1};
    struct point2 p1 = p;
    printf("%d\n", p1.x);
}

Garbage value

Compilation error

Question Number 242

Give the output of the following code snippet :

int func(int a,int b)
{
    int z=a >= b?return (a= a/b): return (a=20%10) ;
}
int main()
{
    int a,b;
    a=func(100,250);
    b=func(20,20);
    printf("%d %d",a,b);
}

200 100

100 20

250 20

Compilation error

Question Number 243

Which of the following statements is true by the Call by value method?

The original value of the arguments are changed by the calling function.

Only a copy of the values are sent as parameters to the calling function.

Either 1 or 2

None of the above.

Question Number 244

Give the output of the following code snippet :

int a=10;
void func()
{
L1:
    printf("%d",a);
}
void main()
{
    int a=13,b=20;
    if(!a!=b&&a==!b)
        goto L1;
    else
        b--;
}

Compilation error

Question Number 245

Which is the function key in VS is associated with passing the control to the function definition to debug it using breakpoint:

F10

F11

None of the above.

Question Number 246

When a program begins execution, which of the following streams are open?

stdin

stdout

stdio

Both 1 and 2

Question Number 247

Which of the following are keywords in C:

main

include

All of the above

Question Number 248

Give the output of the following code snippet :

struct test
{
    int k;
    char c;
    float f;
};
int var=10;
int main()
{
    struct test var = {5,80};
    printf("%f\n", var.f);
}

Compilation error

Garbage value

No output

0.000000

Question Number 249

What is the value of the argument given to the character testing functions defined in ctype.h?

EOF

Unsigned char

Float

Both 1 and 2

Question Number 250

Give the output of the following code snippet :

void main()
{
    int a=12,i=1;
    --a;
    while(!i)
    {
        printf("%d",a);
    }

}

No output

Question Number 251

Which of the following are keywords in C:

printf

scanf

int

All of the above

Question Number 252

Which is the function used to copy a particular string into an array in C?

strlen

strcat

strcpy

None of the above

Question Number 253

Give the output of the following code snippet :

int func(int x)
{
    int y=x++;
    return x*y;
}
void main()
{
    int a=2;
    int b=1;
    int c=a*b+func(a)*func(b);
    printf("%d",c);
}

Question Number 254

How many arguments are passed to the strcmp function for string manipulation in C?

None of the above.

Question Number 255

What is the unsigned integral produced by the sizeof operator?

size

size_t

size_r

size_w