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Question Number 1

Give the output of the following code snippet :

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

0.00000

No output

Compiler error.

Question Number 2

Which of the following are constituents of a C program :

Keywords

Comments

Operators

All of the above

Question Number 3

Give the output of the following code snippet :


void main()
{

    printf("Welcome");
    goto L2 ;

L1:

    printf("Loop 1");

L2:

    printf("Loop2");

    goto L1;
}

Welcome Loop2 Loop1

Welcome Loop1 Loop2

Infinite loop

None of the above

Question Number 4

Which of the following statements indicate the general nature of computer programs?

Read or Write to computer memory.

Do operations on data in the memory.

Hand over data to other parts of the program for more operations

All of the above

Question Number 5

Give the output of the following code snippet :


int main()
{
    register static int i = 10;
    i = 11;
    printf("%d\n", i);
}

Compile time error.

Question Number 6

Which of the following parts of a function are required when calling a function:

Return type

Function name

Parameters

Both 2 and 3

Question Number 7

A new C program can be executed without being compiled . True or False?

Always true

Always false

Sometimes true and sometimes false.

Not enough information to determine the correct answer.

Question Number 8

Which of the following is a ways can be used to represent an array of Strings in C?

char str1[rows][columns];

char str1(rows)(columns);

char str1(rows,columns);

None of the above

Question Number 9

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 10

Which of the following functions is used to create a temporary name?

tempname()

tempnam()

tmpname()

tmpnam()

Question Number 11

What are the types of functions that can be used in C?

Built in functions.

User defined functions

Library functions.

All of the above.

Question Number 12

Platforms and software supported by Visual Studio are,

Open Source.

GNU compiler collection.

Linux.

None of the above.

Question Number 13

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

Flushes any unwritten data from stream.

Discards any unread buffered input

Frees any automatically allocated buffer.

All of the above.

Question Number 14

Give the output of the following code snippet :

void main()
{
    int x = 3;
    {
        x = 4;
        printf("%d ", x);
    }
    printf("%d", x);
}

3 4

4 3

4 4

3 3

Question Number 15

Give the output of the following code snippet :

int main()
{
    int i;
    int arr[4] = {1};
    for (i = 0; i <  4; i++)
        printf("%d ", arr[i]);
    return 0;
}

1 Garbage value Garbage value Garbage value

1 0 0 0

1 1 1 1

0 0 0 0

Question Number 16

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 17

Give the output of the following code snippet :

struct p
{
    int mark1,mark2,mark3;
};

int main()
{
    struct p x = {100};
    printf("%d %d %d\n",x.mark1,x.mark2,x.mark3);
}

0 0 100

100 0 0

100 Garbage value

Compilation error

Question Number 18

Which of the following are keywords in C:

default

volatile

sizeof

All of the above

Question Number 19

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 20

Name some of the problems associated with goto statement :

Reduces readability of the code.

Can cause the program to produce an infinite loop if not used properly.

Both 1 and 2

None of the above

Question Number 21

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 22

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

Call Stack Window

F9 to breakpoint

Disassembly Window

All of the above.

Question Number 23

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 24

Visual Studio has

Coloring for code

Painting for code.

All of the above

None of the above

Question Number 25

In C, the keyword used to transfer control from a function back to the calling function is

goto

continue

return

break

Question Number 26

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 27

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 28

Which of the following are constituents of a C program :

Comments

Literals

Identifiers

All of the above

Question Number 29

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 30

Which of the following statements is true about an escape sequence in C?

Used to represent hard-to-type invisible characters.

An escape sequence starts with backslash '\'

The escape sequence to represent a new line character is \n

All of the above.

Question Number 31

Give the output of the following code :

int main()
{
    char str1[20] = "Hello", str2[20] = " World";
    printf("%s\n", strcpy(str2, strcat(str1, str2)));
    return 0;
}

Hello World

Hello

World

Error

Question Number 32

Name the function key associated with debugging an application in Visual Studio :

Question Number 33

Give the output of the following code snippet :

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

Garbage value

Compilation error

Question Number 34

Wizard in Visual studio is normally a set of,

Dialogs.

Magics

Conversation

None of the above

Question Number 35

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

Run

Debug

Either 1 or 2

None of the above

Question Number 36

The last element of the array arr[10] is accessed by :

arr[11]

arr[10]

arr[9]

None of the above

Question Number 37

Give the output of the following code snippet :


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

Assume input as 6 :

No output.

Question Number 38

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 39

Give the output of the following code snippet :

void main()
{
    struct employee
    {
        int id=10;
    };
    struct employee emp1= {20};
    printf("%d\t",emp1.id);
}

Compilation error

Question Number 40

Give the output of the following code :

void main()
{
    int var = strcmp("Yellow","World");
    printf("%d", var);
}

-1

None of the above.

Question Number 41

Give the output of the following code snippet :

void func()
{
    int i=1;
    while(!i)
    {
        func();
    }
    printf("%d",i++);
}
void main()
{
    func();
}

-1

Runtime error

Question Number 42

Given the following code snippet, find the output of the program :



void main()
{
    int a=5;

    switch(a)
    {
    case 1:
        printf("Value is 5");
        break;
    }
}

Value is 5

Syntax error.

No output

None of the above.

Question Number 43

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 44

Give the output of the following code snippet :

void main()
{
    int a=12;
    a==12?a=0:a=1;
    printf("%d",a);
}

Compilation error

Question Number 45

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 46

Identify the keyword(s) in the program

int

char

printf

Both 1 and 2

Question Number 47

Give the output of the following code snippet :

void test();
void main()
{
    test();
    test();
}
void test()
{
    static int x = 5;
    x++;
    printf("%d", x);
}

6 6

5 6

5 5

6 7

Question Number 48

Property of external variable to be accessed by any source file is called as

external linkage

external scope

global scope

global linkage

Question Number 49

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 50

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 51

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 52

Which of the following are keywords in C:

break

goto

continue

All of the above

Question Number 53

Name the function key associated with setting up a breakpoint in VS :

Question Number 54

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("%c\n", var.c);
}

Compilation error

Question Number 55

Following is a challenge with Visual studio for a beginner,

Not user friendly.

Price.

Have a lot of bugs.

All of the above.

Question Number 56

Give the output of the following code snippet :

int func(int a,int b)
{
    int i=100;
    if(i++< =100)
        return 20;
    else
        return 30;
}
int main()
{
    int z=func(100,200);
    printf("%d  ",z);
    printf("%p",main);
}

20 Address of main

30 Address of main

30 0

Compilation error

Question Number 57

Give the output of the following code snippet :

void main()
{
    int a=300,b=20,c=50;
    if(a % b == c % 2)
        a=10;
    else
        c=40;
    a=50;
    printf("%d %d %d",a,b,c);
}

50 20 40

300 20 40

50 20 50

300 20 50

Question Number 58

Which of the following statements in C completely stops the execution of the loop and returns from the function?

break

continue

return

None of the above.

Question Number 59

Give the output of the following code snippet :

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

}

Infinite loop

No output

Question Number 60

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 61

Visual Studio has

Build

Worker

All of the above

None of the above

Question Number 62

Give the output of the following code :

void main()
{
    char str1[]= {0};
    printf(str1);
}

Compile time error

No output

None of the above

Question Number 63

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 64

If the fopen() function is not able to open a file, then what does it return?

EOF

Null

Runtime error

None of the above.

Question Number 65

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 66

Give the output of the following code snippet :


void func(int a)
{
    int sum=0,x;
    while(a!=0)
    {
        x=a%100;
        sum+=(x+x+x);
        a=a/10;
    }
    printf("%d ",sum);
}
int main()
{
    func(1000);
    func(2222);
}

30 200

33 204

36 203

Compilation error

Question Number 67

Which of the following functions is used to create a temporary file?

tempfile()

tmpfile()

temporary()

tempofile()

Question Number 68

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 69

Give the output of the following code snippet :

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

Ho Ho Ho Ho

Ho Ho Ho

No output

Question Number 70

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

String copy

String concatenation

String length

All of the above.

Question Number 71

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 72

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 73

Give the syntax for the for loop in C :

for(initialization; condition; iteration)

for(initialization, condition, iteration)

for(initialization; condition)

All of the above

Question Number 74

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 75

Free Edition of Visual Studio is,

Premier.

Professional.

Express.

None of the above.

Question Number 76

How many arguments does the putchar() function take?

Question Number 77

Give the output of the following code snippet :

int main()
{
    int a = 10, b;
    a >=5 ? b=100: b=200;
    printf("%d\n", b);
    return 0;
}

200

100

No output

None of the above

Question Number 78

What is the return-type of the function sqrt() in C?

int

float

double

Depends on the data type of the parameter.

Question Number 79

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 80

Give the output of the following code snippet :



int main()
{
    int i;
    for(i=0; i< =6; i=1+2)
    {
        if(i <  3)
        {
            printf("Test1 ");
            continue;
        }
        else
        {
            printf("Test2");
            break;
        }
    }
    return 0;
}

Test1 Test1 Test 2

Test1 Test2

Test1 Test1 Test2 Test2

No output

Question Number 81

Give the output of the following code snippet :

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

Compilation error

Question Number 82

Which is NOT a Visual Studio edition.

Express.

Free.

Ultimate.

Professional.

Question Number 83

Platforms and software supported by Visual Studio are,

.Net.

Microsoft Office.

All of the above.

None of the above.

Question Number 84

Which of the following are parts of a function in C:

Return type

Body of the function

Parameters

All of the above.

Question Number 85

Which function returns a non-zero value if the EOF indicator is set for file stream?

feof()

fendoffile()

endoffile()

EOF()

Question Number 86

What is the green play button in the Visual studio does?

Execute the application.

Create the source code for the application.

Fix the compilation errors.

All of the above.

Question Number 87

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 88

The breakpoint pauses the execution

Before that given line of code.

Until that given line of code.

After that given line of code.

All of the above.

Question Number 89

Which of the following is a debugger :

GDB

Adobe Photoshop

Notepad ++

All of the above.

Question Number 90

Give the output of the following code snippet :


void main()
{
    int n;
    for (n = 4; n!=0; n--)
        printf("%d ", n--);

}

4 3 2 1

4 3 2 1 0

4 2

Infinite loop

Question Number 91

Give the output of the following code snippet :

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

Runtime error

Question Number 92

Which of the following is related to a Microsoft Development tool package.

SDK

DDK

All off the above.

Question Number 93

Which is a Visual Studio edition.

Free.

2009.

All of the above.

None of the above.

Question Number 94

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 95

Some of the ways in which looping can be carried out in C is :

Using looping statements like for, while and do-while

Using recursion.

Both 1 and 2.

None of the above.

Question Number 96

Give the output of the following program :


void main()
{
    int a=5, b=10;
    if(a==5)&&if(b==10)
            printf("Values match");
}

Values match

No output

Syntax error

None of the above.

Question Number 97

Give the output of the following code snippet :

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

}

Compilation error

Question Number 98

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 99

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 100

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 101

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

String copy

String compare

String length

All of the above.

Question Number 102

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 103

Give the output of the following code snippet :

int m();
void main()
{
    int k = m();
    printf("%d", k);
}
int m()
{
    int a[2] = {5, 8};
    return a[0];
}

Compiler error

Question Number 104

Give the output of the following snippet :

struct student
{
    int no = 5;
    char name[20];
};
void main()
{
    struct student s;
    s.no = 8;
    printf("Hello");
}

Hello

Compiler error

Question Number 105

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 106

Which is the function used to concatenate two strings in C?

strlen

strcat

strcpy

None of the above

Question Number 107

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 108

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

auto

static

char

All of the above.

Question Number 109

Give the output of the following code snippet :

void main()
{
    struct employee
    {
        int id;
    };
    struct employee emp1= {20};
    printf("%d\t",emp1.id);
}

Compilation error

Garbage value

Question Number 110

Give the output of the following code snippet :

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

}

Compilation error

Question Number 111

Give the output of the following code snippet :

void main()
{
    int a=12;
    --a;
    switch(a--)
    {
    case 10 :
        printf("%d ",a);
        break;
    case 10*9/10  :
        printf("%d ",a++);
    case 11:
        printf("%d",a--);
        break;
    default:
        printf("Hello");
        break;
    }
}

10 10

8 9

Question Number 112

Which of the following is related to a Microsoft Development tool package?

Debugging tools for windows

Microsoft Skydrive.

Microsoft Office Suite.

None of the above

Question Number 113

Give the output of the following code snippet :

void main()
{
    int i=0;
    for(;; i++)
    {
        i=i+2;
        if(i%2==0)
            continue;
        else
            break;
    }
    printf("%d",i);
}

Question Number 114

Give the output of the following code snippet :

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

100

101

111

Compilation error

Question Number 115

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 116

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

A piece of memory in secondary storage or disk.

Will be retained after computer is rebooted or restart of program.

It may be an image file, a html page or a downloaded program which is a group of files.

All of the above

Question Number 117

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

unsigned int

double

float

All of the above.

Question Number 118

Give the output of the following code :

int main()
{
    int i=1;
    if(!i)
        printf("Hello,");
    else
    {
        i=0;
        printf("Jello");
        main();
    }
    return 0;
}

Prints "Hello" for infinite times.

Prints "Jello" for infinite times.

No output.

Compiler error.

Question Number 119

Which of the following are keywords in C:

break

continue

default

All of the above

Question Number 120

Give the output of the following code snippet :

union student
{
    int no;
    float no1;
    double no2;
};
void main()
{
    union student s;
    s.no=1001;
    printf("%d",sizeof(s));
}

Question Number 121

The nth element of an array arr[n] of n values is accessed by:

arr[n]

arr[n-1]

arr[n+1]

None of the above

Question Number 122

Give the output of the following code snippet :

void main()
{

    int a;
    for(a=0; a< 5; a++)
    {
        if(a==2)
            break;
        printf("Hello world");
    }

}

No output

Hello world

Hello world Hello world

None of the above

Question Number 123

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 124

Which of the following operators performs the same function of the logical NOT operator?

All of the above.

Question Number 125

How many arguments does the getchar() function take?

Question Number 126

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

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

The address of the values are sent as parameters to the calling function.

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

Both 1 and 2

Question Number 127

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 128

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

It removes a named file permanently.

Any attempts to open the file results in an error

Returns 0 if an attempt to open the removed file fails.

Both 1 and 2

Question Number 129

Give the output of the following code snippet :

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

Compilation error

Garbage value 10

66 10

96 10

Question Number 130

Give the output of the following code snippet :

int main()
{
    while(1)
    {
        printf("Hello world");
    }
    return 0;
}

Hello world

No output.

Infinite loop.

None of the above.

Question Number 131

What is a binary stream in C?

Sequence of processed bytes.

Stream of 1's and 0's.

Sequence of unprocessed bytes.

None of the above

Question Number 132

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--;
    }
    if(a==13)
        a=a-2;
    printf("%d",a);
}

Question Number 133

Name the header file used to call the printf function in the main program.

< conio.h>

< string.h>

< stdio.h>

None of the above

Question Number 134

Which of the following is a valid structure initialization?

struct strut
{ int a1;};
void main()
{ strut s1;
s1.a1=10;}

struct strut
{ int a1;};
void main()
{ strut s1={10};}

Both 1 and 2

None of the above.

Question Number 135

Which of the following statement is true about arrays in C :

Can be used to storing a group of values of the same data type.

Each element in an array can be accessed using an array index.

The data in an array are stored in continuous memory locations.

All of the above

Question Number 136

Which of the following statements is true about the break statement in C:

Is used in the switch case statement.

It is a flow control statement.

Terminates the execution of the particular loop and statements following the body of the loop are executed.

All of the above.

Question Number 137

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 138

What are the arguments passed to the fread() function?

Buffer, Size in bytes ,Number of items to read, File pointer.

Buffer, Size in bytes , File pointer.

Buffer, Number of items to read, File pointer.

File pointer

Question Number 139

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 140

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

IOFBF

_IOFBF

_IOLBF

IOLBF

Question Number 141

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 142

Give the output of the following code snippet :

int sum(int,int);
int main()
{
    int c= sum(10,20);
    printf("Sum = %d", c);
}
int sum(int a,int b)
{
    return a+b;
    return a-b;
}

-10

Compiler error

Question Number 143

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 144

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 145

Identify the conditional operator in C :

None of the above

Question Number 146

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 147

Give the output of the following code snippet :

void main()
{
    char arr[11]="The African";
    printf("%s",arr);

}

The African

No output

Array bounds overflow error.

None of the above

Question Number 148

Versions of Visual Studio are,

2005.

2010.

All of the above.

None of the above.

Question Number 149

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

None of the above.

Question Number 150

Give the output of the following code snippet :


void main()
{
    char new1[]= { 0 };
    strcpy(new1,"Jello");
    char new2[]= { 0 };
    strcpy(new2,"Yellow");
    char new3[]= { 0 };
    strcat(new3,new1);
    strcat(new3,new2);
    printf (new3);
}

YellowJello

JelloYellow

Yellow

Jello

Question Number 151

Give the output of the following code snippet :

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

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

}

Same

Not Same

No output

Compilation error

Question Number 152

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

strcpy

strcmp

strlen

All of the above.

Question Number 153

Give the output of the following code snippet :

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

Compilation error

Question Number 154

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 155

Consider the given code snippet in C. In which functions can the variable b1 be accessed?

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


    printf("%d",a1);

    hello();

}

int b1=12;
void hello()
{
    printf("%d",b1);
}

main()

hello()

Either 1 or 2

None of the above

Question Number 156

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

Creates a new temporary file.

Creates a string which is not an existing file name

Generates the same name every time the function is called.

All of the above

Question Number 157

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

w+b

r+b

a+b

Question Number 158

Give the output of the following code snippet :

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

}

Infinite loop

No output

Question Number 159

Give the output of the following code snippet :


int main()
{
    int a = 0, i = 0, b;
    for (i = 0; i <  5; i++)
    {
        a++;
        if (i == 3)
            break;
    }
    printf("%d %d",a,b);
}

3 0

4 0

4 Garbage value

3 Garbage value

Question Number 160

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.y)
        printf("p1 and p2 are same ");
}

p1 and p2 are same

No output

Compilation error

Runtime error

Question Number 161

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

structure

struct

array

enum

Question Number 162

Which of the following is not a logical operator in C ?

Question Number 163

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

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

Hello World 0

Hello 0

Hello World -1

Compilation error

Question Number 164

Give the syntax for an if-else/if-else if statement :

if( cond){action}
else {action}

if (cond){action}
else if (cond) {action}
else {action}

Both 1 and 2

None of the above.

Question Number 165

Which of the following functions are equivalent to the printf() function?

vprintf()

vfprintf()

fgets()

Both 1 and 2.

Question Number 166

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

Question Number 167

Platforms and software supported by Visual Studio are,

Windows.

Open Source.

All of the above.

None of the above.

Question Number 168

Which of the following are parts of a function in C:

Return type

Function name.

Parameters

All of the above.

Question Number 169

Which of the following correctly accesses the seventh element stored in arr, an array with 10 elements?

arr[6];

arr[7];

arr(7);

arr ;

Question Number 170

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 171

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 172

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 173

Give the output of the following code snippet :

void main()
{
    int i;
    for(i=0; i< =4; i++)
    {
        printf("%d",i);
        break;
        printf(" Test1");
    }
    printf(" Test2");
}

0 1 2 3 4 Test2

0 Test1 Test2

0 Test2

None of the above.

Question Number 174

Which of the following statements is true about the EOF character in C?

It is used to denote the end of a file in C.

It is an integer value.

It is defined in the header file < stdio.h>

All of the above.

Question Number 175

Platforms and software supported by Visual Studio are,

Windows.

Microsoft Office.

All of the above.

None of the above.

Question Number 176

Give the output of the following code snippet :

struct p
{
    int k=20;
    char c='b';

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

20 b

10 B

Compiler error

No output

Question Number 177

What does the fclose() function take as the argument?

File name

File size

File pointer

All of the above.

Question Number 178

Give the output of the following code snippet :

int main()
{
    int i=0;
    for(i=0; i< 5; i++)
    {
        if(i==3)
            return 0;
        printf("Ho");
    }
    printf("Hello world");

}

Hello world.

HoHoHo Hello world

HoHoHo

None of the above.

Question Number 179

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 180

Which of the following is used to represent comments in C:

/**/

Both 1 and 2

Question Number 181

Give the output of the following code snippet :

int main()
{
    FILE *fp1,*fp2;

    fp1=fopen("day.text","r");
    fp2=fopen("night.txt","r");
    fclose(fp1,fp2);
    return 0;
}

File pointers for both files are returned.

Null

Compiler error

None of the above

Question Number 182

Give the output of the following code snippet :

void main()
{
    char new1[6]="Welcome";
    printf (new1);
}

Welcome

No output

Compiler time error

None of the above.

Question Number 183

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 184

Give the output of the following code snippet :

int main()
{
    int k, num = 30;
    k = (num <  10) ? 100 : 200;
    printf("%d\n", num);
    return 0;
}

100

200

None of the above.

Question Number 185

Give the output of the following code snippet :

int main()
{
    int fun(int);
    int i = fun(10);
    printf("%d\n", --i);
    return 0;
}
int fun(int i)
{
    return (i++);
}

Question Number 186

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 187

Which of the following is a debugger :

Microsoft Word.

Visual Studio Integrated Debugger

None of the above

Both 1 and 2

Question Number 188

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

extern

signed char

All of the above.

Question Number 189

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

recursion

do-while

while

All of the above.

Question Number 190

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 191

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 192

Versions of Visual Studio are,

2006.

2007.

2009

None of the above.

Question Number 193

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 194

Give the output of the following code snippet :

union student
{
    int no;
    int no2;
};
void main()
{
    union student s;
    s.no=1001;
    printf("%d",s.no2);
}

1001

No output

Compilation error

Question Number 195

What is the return value of a strcmp() function?

int

char

float

None of the above

Question Number 196

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

None of the above

Question Number 197

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

strcpy

strcmp

strcat

All of the above.

Question Number 198

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

unsigned long

short

char

All of the above.

Question Number 199

Which of the following characters are printed by the ispunct() function defined in ctype.h?

space

letter

digit

newline

Question Number 200

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 201

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

Question Number 202

Give the output of the following code snippet :

void main()
{
    static int x = 3;
    x++;
    if (x < = 5)
    {
        printf("Hello ");
        main();
    }
}

Hello

Hello Hello

Hello Hello Hello

Infinite loop

Question Number 203

Give the output of the following code snippet :


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

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

}

Not Same

Same

Either 1 or 2

None of the above.

Question Number 204

Give the output of the following code snippet :

int main()
{
    for(int i=0; i< =4; i++)
    {
        printf("%d ",i);
    }

    return 0;
}

No output

0 1 2 3

0 1 2 3 4

Syntax error

Question Number 205

Which function prints an error message corresponding to integer in errno ?

printerr()

perror()

perr()

printerr()

Question Number 206

Identify the general syntax of the conditional operator in C :

(condition)? expression 1 : expression 2;

(condition)> expression 1 : expression 2;

(condition)^ expression 1 : expression 2;

None of the above

Question Number 207

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

File > NewProject

File > NewSolution

File >NewWizard

None of the above.

Question Number 208

Give the output of the following code snippet :


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

}

Hello world

HoHoHoHello World

HoHoHello World

None of the above.

Question Number 209

Which of the following statements are true about keywords in C?

Have special meaning to compiler.

Similar to a word in the dictionary.

Some keywords are compiler specific

All of the above.

Question Number 210

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 211

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

Creates a temporary file.

Temporary file is opened in the mode rb+

The file is automatically removed when the program gets terminated.

Both 1 and 3

Question Number 212

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 213

What is the unsigned integral produced by the sizeof operator?

size

size_t

size_r

size_w

Question Number 214

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

The format specifier %s is used to print strings.

The length of a string can be obtained using the string function strlen().

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

All of the above.

Question Number 215

Give the output of the following code snippet :

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

Compiler error

Garbage value.

Question Number 216

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 217

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

Question Number 218

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 219

Give the output of the following code snippet :

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

Compilation error

Question Number 220

Give the output of the following code snippet :

void main()
{
    int a=12,i=1;
    int n2=printf("%d",a);
    for(; n2!=2;)
    {
        printf("%d",--i);
    }

}

Infinite loop

Question Number 221

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

Create program

Compile

Run

All of the above

Question Number 222

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 223

Platforms and software supported by Visual Studio are,

Sun Java.

Windows Phone.

All of the above.

None of the above.

Question Number 224

Give the output of the following code snippet :

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

Garbage value

Compilation error

Question Number 225

Give the output of the following code snippet :

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

Question Number 226

Give the output of the following code snippet :

void main()
{
    int i = 0;
    while (++i)
    {
        printf("Ho");
    }
}

HoHo

No output

Infinite loop

Question Number 227

Give the output of the following code snippet :

struct p
{
    int k;
    char c;

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

10 1

5 1

10 5

Compilation error

Question Number 228

Give the output of the following code snippet :

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

-2

Compilation error

Question Number 229

Which of the following is not a debugger :

Picasa

WinDbg

GDB

All of the above.

Question Number 230

What is the general syntax to call a function in C?

Returntype Functionname( Parameters1,Paramter2,...);

Functionname ( Parameters1,Paramter2,...);

Returntype Functionname () ;

None of the above.

Question Number 231

Debugging helps in the following :

Important tool for white box testing.

Check the states and flow of logic.

Inspect the execution of a program.

All of the above.

Question Number 232

Give the output of the following code snippet :

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

Compilation error

Garbage value

No output

0.000000

Question Number 233

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

main

include

extern

case

Question Number 234

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

rb+

Question Number 235

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 236

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

ftell()

fseek()

rewind()

fgetpos()

Question Number 237

In which header file is the EOF character defined in C?

conio.h

string.h

stdio.h

math.h

Question Number 238

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 239

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 240

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 241

Which of the following is related to a Microsoft Development tool package.

Visual Studio

Driver Development Kit

Software Development Kit

All of the above

Question Number 242

Which of the following statements is true with regards to the break statement :

It is a flow control statement.

Can be used inside any of the loops like for, while and do while.

Suspends the execution of the loop for that iteration and transfers the control back to the loop for the next iteration.

All of the above

Question Number 243

Give the output of the following code snippet :

int func2()
{
    int j=100;
    return ++j;
}
void func()
{
    int i=10;
    int j=func2();
    if(i< =0)
        printf("%d",i+j);
}
int main()
{
    func();
}

100

No output

111

Compilation error

Question Number 244

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 245

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

Missing braces {} or parentheses ()

Since C is case sensitive, variable names should be exactly the same when they are declared and used.

Variables and functions should be declared before use.

All of the above.

Question Number 246

What is the range of the values allowed for the data type int in C:

–32,768 to 32,767

0 to 255

–128 to 127

None of the above

Question Number 247

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 248

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 249

Give the output of the following code snippet :

int func(int a,int b)
{
    int i=100;
    if(i++< =100)
        return 20;
    else
        return 30;
}
int main()
{
    int z=func(100,200);
    printf("%d",z);
}

Compilation error

Question Number 250

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 251

Give the output of the following code snippet :

struct Point
{
    int x;
    int y;
};

int main()
{
    struct Point p1 = {10};
    struct Point p2 = p1;
    printf("%d  %d", p2.x, p2.y);
    getchar();
}

10 0

10 Garbage value

Compilatio error

Question Number 252

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,p.c);
}

10 A Garbage Value

10 A e

Compilation error

No output

Question Number 253

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 254

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 255

Breakpoints allow you to :

Understand language aspects like pointers, functions etc.

Connect to server

Create a new project.

All of the above.