Knowledge check.

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

Question Number 1

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

rem()

rmve()

remove()

remfile()

Question Number 2

Visual Studio is NOT

IDE.

Text Editor.

Code Editor.

None of the above.

Question Number 3

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 4

Which of the following statements in C stops execution of the loop but executes statements that immediately follow the loop?

break

continue

return

None of the above.

Question Number 5

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 6

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

auto

float

volatile

Question Number 7

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

recursion

do-while

while

All of the above.

Question Number 8

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 9

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 10

Give the output of the following code :

int main()
{
    char str1[] = "Hello";
    char str2[] = "Hello";
    if(str1 == str2)
        printf("Equal\n");
    else
        printf("Unequal\n");
    return 0;
}

Equal

Unequal

Error

No output

Question Number 11

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 12

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

do-while

if-else

return

None of the above.

Question Number 13

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 14

Which of the following modes is used to indicate no buffering in the setvbuf() function?

_IONBF

_IONOB

_IOLBF

_IOFBF

Question Number 15

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 16

Give the output of the following snippet :

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

}

Hello

Compiler error

Question Number 17

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 18

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

long

extern

union

None of the above.

Question Number 19

Give the output of the following code snippet :

struct p
{
    int k;
    char c;

};
int main()
{
    struct p x = {10,100};
    x.k=5;
    printf("%d %c\n", x.k,x.c);
}

10 100

5 100

5 d

10 d

Question Number 20

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

break

auto

enum

continue

Question Number 21

Give the output of the following code snippet :


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

TestTestTest

TestTest

No output

None of the above.

Question Number 22

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 23

In which header file is the integer expression errno declared?

error.h

errnum.h

errno.h

errornum.h

Question Number 24

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 25

Which is NOT a Visual Studio edition.

Express.

Free.

Ultimate.

Professional.

Question Number 26

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 27

What is integrated into Visual Studio?

A text editor.

Intellisense.

A debugger.

All of the above.

Question Number 28

Give the output of the following code :

void fun (int)
{
    printf("Hello");

}
void main()
{
    fun();
}

Hello

Compiler error

No output

None of the above

Question Number 29

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 30

Give the output of the following code :

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

-1

None of the above.

Question Number 31

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 32

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

external linkage

external scope

global scope

global linkage

Question Number 33

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 34

What is the escape sequence used to denote a double quote in C?

Question Number 35

Give the output of the following code :

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

-1

None of the above.

Question Number 36

Give the output of the following code snippet :

float func()
{
    int i=10;
    if(i< =0)
        return 10.50;
    else
        return 20.75;
}
int main()
{
    float a=func();
    printf("%.2f",a);

}

10.50

10.00

20.00

20.75

Question Number 37

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 38

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 39

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

Is used in the switch case statement.

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

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

All of the above.

Question Number 40

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

None of the above

Question Number 41

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

File name

File size

File pointer

All of the above.

Question Number 42

Give the output of the following code snippet :


struct p
{
    int mark1;
    char name[10];
    int mark3;
};

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

100 0 0

0 0 100

100 0

Compiler error

Question Number 43

Give the output of the following code snippet :

int func2(int y)
{
    if(y==1)
        return 1;
    func2(--y);
}
void main()
{
    int i=10;
    int b=func2(i);
    printf("%d",b);
}

No output

Compilation error

Question Number 44

Automatic variables are variables that are

Declared within the scope of a block.

Declared outside all functions

Declared with keyword extern.

All of the above.

Question Number 45

A function in C cannot return more than one value at once. State true or false :

Always true.

Always false.

Sometimes true and sometimes false

None of the above.

Question Number 46

Give the output of the following code snippet :

void func(int a)
{
    int sum=0,x,a=10;
    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 47

Give the output of the following code snippet :

void main()
{
    int i=0,j;
    for(i=-1,j=2; j< 6; 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 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 49

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 50

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

double

static

All of the above.

Question Number 51

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 52

Which of the following functions records the current position in stream for subsequent use by another function?

fgetpos()

getpost()

fsetpos()

setpos()

Question Number 53

Find the output of the following program :

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

Hello World

Hello

No output

Error

Question Number 54

Visual Studio is NOT

An IDE

A text editor.

A complier.

None of the above.

Question Number 55

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 56

Give the output of the following code snippet :

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

}

Infinite loop

Compilation error

Question Number 57

Give the output of the following code snippet :

int main()
{
    void Fun();
    printf("1 ");
    Fun();
}
void Fun()
{
    printf("2 ");
}

2 1 2

1 2

1 2 2

Compiler error.

Question Number 58

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 59

Give the output of the following code snippet :

void main()
{
    int a=10;
    --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 60

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 61

Versions of Visual Studio are,

2006.

2007.

2008

None of the above.

Question Number 62

Which of the following modes is the temporary file opened in?

wb+

rb+

ab+

Question Number 63

Give the output of the following code snippet :

int main()
{
    int a = 1;
    switch(a)
    {
    case 1:
        printf("First");

    case 2:
        printf("Second");

    case 3:
        printf("Final");
        break;

    }

First

FirstSecondFinal

Error is thrown.

None of the above.

Question Number 64

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 65

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 66

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

File > NewProject

File > NewSolution

File >NewWizard

None of the above.

Question Number 67

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 68

Name the feature used in Visual Studio to help debugging.

Breakpoints

Task List.

All of the above

None of the above

Question Number 69

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 70

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

volatile

unsigned int

static

auto

Question Number 71

Give the output of the following code snippet :

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

Question Number 72

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

Watch Window which shows variable values.

F9 to breakpoint

Disassembly Window

All of the above.

Question Number 73

What are the arguments that the fopen() function takes?

Name of the file, File open mode.

Name of user, File open mode.

File pointer, mode.

None of the above.

Question Number 74

Give the output of the following code snippet :

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

HoHo

No output

Infinite loop

Question Number 75

Write the given if else statements using conditional operator in C :

if (x <  y)
{
    min = x;
}
else
{
    min = y;
}

min = (x < y) ! x : y;

min = (x < y) ? x : y;

min = (x < y) > x : y;

None of the above.

Question Number 76

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

stdio

stdlib

stderr

Both 1 and 2

Question Number 77

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 78

Give an example of a library function in C

printf()

scanf()

sum()

Both 1 and 2

Question Number 79

Give the output of the following code snippet :

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

-1

Infinite loop

-2

Question Number 80

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 81

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 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 :

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 84

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 85

Which of the following is not a debugger :

Picasa

WinDbg

GDB

All of the above.

Question Number 86

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

IOFBF

_IOFBF

_IOBLF

IOLBF

Question Number 87

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

strlen

strcat

strcpy

None of the above

Question Number 88

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

continue

extern

static

long int

Question Number 89

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

SOK,

VSD

Both of the above

None of the above

Question Number 90

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 91

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 92

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);
    }
    fclose(fp);
}

Hello

World

Hello World

Compilation error

Question Number 93

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 94

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 95

Platforms and software supported by Visual Studio are,

Open Source.

GNU compiler collection.

Linux.

None of the above.

Question Number 96

Give the output of the following code snippet :

void main()
{
    int a=12;
    --a;
    if(a)
    {
    }
    printf("%d",a);
}

Compilation error

Question Number 97

Give the output of the following code snippet :

void func()
{
    int i=10;
    void func1()
    {
        int j=10;
        printf("%d",j);
    }
    func1();
    printf("%d",i);
}
int main()
{
    func();
}

10 0

0 10

Compilation error

Question Number 98

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 99

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 100

Which of the following are constituents of a C program :

Keywords

Literals

Identifiers

All of the above

Question Number 101

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 102

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 103

The default statement in a switch case statement is optional and can be skipped. State true or false:

Always true

Always false

Sometimes true and sometimes false

Not enough information to provide an accurate answer.

Question Number 104

Identify the type of error in the given code :


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

Missing double quotes (" ")

Undeclared identifier ( Test)

Syntax error

None of the above.

Question Number 105

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 106

Consider the given C code:

main()
{
    int val=30;
    float val1=3.15;
    printf("Welcome to the test");
}

Identify the literals in the program

3.15

Welcome to the test

All of the above

Question Number 107

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 108

Which function is used to position the stream at the position recorded by fgetpos() function?

fsetpos()

setpos()

setposition()

filesetpos()

Question Number 109

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

strlen

strcat

strcpy

None of the above

Question Number 110

Give the output of the following code snippet :

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

200 100

0 1

250 20

Compilation error

Question Number 111

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 112

What is Integrated into Visual Studio?

A compiler.

A linker.

A resource compiler.

All of the above.

Question Number 113

What is the total length of the string containing n characters in C?

n-1

n+1

None of the above.

Question Number 114

Give the output of the following code snippet :

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

}

12 1

12 12

0 12

Question Number 115

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

String copy

String compare

String length

All of the above.

Question Number 116

How many arguments does the putchar() function take?

Question Number 117

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

int

char

float

All of the above.

Question Number 118

Give the output of the following code :

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

-1

None of the above.

Question Number 119

Boiler Plate code is auto-generated in Visual Studio by,

Compiler.

Wizards

None of the above

All of the above

Question Number 120

Which of the following is not a debugger :

GDB

Visual Studio Integrated Debugger

Adobe Photoshop

All of the above.

Question Number 121

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

strcat

strcmp

strlen

All of the above.

Question Number 122

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 123

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

errnumber

errornum

errornumber

errno

Question Number 124

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

int

char

float

string

Question Number 125

Give the output of the following code snippet :


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

            break;
            printf("Test2");
        }
    }

}

Test1 Test1 Test 2

Test1 Test2

Test1 Test1 Test2 Test2

No output

Question Number 126

Which of the following operators are used to check the equality of any two values in a C program?

All of the above.

Question Number 127

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

space

letter

digit

newline

Question Number 128

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 129

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 130

What is the return type of the character testing functions defined in ctype.h?

char

int

float

void

Question Number 131

Name the looping statements available in C :

for

do while

while

All of the above

Question Number 132

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 133

What is Visual Studio?

A photo editor.

A C Compiler.

A movie editor.

None of the above.

Question Number 134

Give the output of the following code snippet :

struct p
{
    int k;
    char c;
    float f;
};
int p = 10;
int main()
{
    struct p x = {1,97};
    printf("%c %d\n", x.c, p);
}

97 10

a 10

Compiler error

No output.

Question Number 135

Give the output of the following code snippet :

void main()
{
    int a = 10, b, c;

    if(a >= 50)
        b = 20;
    c = 30;
    printf("%d, %d, %d\n", a, b, c);
}

10 20 30

10 0 30

10 Garbage value 30

None of the above.

Question Number 136

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

conio.h

string.h

stdio.h

math.h

Question Number 137

Visual Studio is NOT

An IDE

A linker.

A debugger.

More than one of the above.

Question Number 138

Which of the following is a storage specifier?

enum

union

auto

struct

Question Number 139

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

unsigned int

double

float

All of the above.

Question Number 140

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;
    printf("%d  %d", p2.x, p2.y);
    getchar();
}

Compilation error

Runtime error

No output

10 20

Question Number 141

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

strcpy

strcmp

strcat

All of the above.

Question Number 142

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 143

Which is NOT a Visual Studio edition.

Express.

Professional.

Ultimate.

None of the above.

Question Number 144

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 145

What is the unsigned integral produced by the sizeof operator?

size

size_t

size_r

size_w

Question Number 146

Visual Studio is NOT

Source code of the program.

A linker.

A debugger.

All of the above

Question Number 147

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 148

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 149

Which of the following is a debugger :

Microsoft Word.

Visual Studio Integrated Debugger

None of the above

Both 1 and 2

Question Number 150

Identify the conditional operator in C :

None of the above

Question Number 151

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

Question Number 152

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 153

Which of the following are keywords in C:

break

continue

default

All of the above

Question Number 154

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 155

Give the output of the following code :


struct p
{
    int k;
    char c;

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

0 1

10 1

Compiler error

No output

Question Number 156

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 157

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

Question Number 158

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 159

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 160

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

w+b

r+b

a+b

Question Number 161

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 162

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 163

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 164

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 165

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 166

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

local

global

static

All of the above

Question Number 167

Which function is used to clear the EOF and error indicators for the file stream?

clearerror()

clearerr()

errorclear()

clrerror()

Question Number 168

Give the output of the following code snippet :

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

Runtime error

Question Number 169

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 170

Give the output of the following code snippet :

void main()
{
    int i=5;

    do
        printf("Hello world");
    while(!i);


}

No output

Hello world

Compile time error

None of the above.

Question Number 171

Identify the keyword(s) in the program

int

char

printf

Both 1 and 2

Question Number 172

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 173

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 174

Boiler plate code is auto-generated in Visual Studio by

Operating system

Programmer

Wizards

More than one of the above

Question Number 175

Which is a Visual Studio edition.

Free.

2009.

All of the above.

None of the above.

Question Number 176

Find the output of the code snippet :

void main()
{
    int arr[10]= {10,2.5,3,5.5};
    for(int i=0; i< 5; i++)
        printf("%d  ",arr[i]);
}

10 0 3 0 0

No output

10 2 3 5 0

Compiler error

Question Number 177

Which of the following is a debugger :

GDB

Adobe Photoshop

Notepad ++

All of the above.

Question Number 178

Visual studio supports

Perl

Sun Java

All of the above.

Question Number 179

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 180

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 181

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("%6.2f",p+q-r);
}

7.58

8.11

8.1233

7.785

Question Number 182

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 183

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 184

Give the output of the following code snippet :

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

Question Number 185

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 186

How many arguments does the fclose() function take?

None of the above.

Question Number 187

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

case

return

unsigned int

const

Question Number 188

Which keyword can be used for exiting recursion?

break

return

exit

None of the above.

Question Number 189

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 190

Give the output of the following code snippet :

int func2(int y)
{
    if(y==1)
        return 1;
    int x=20;
    x+=func2(--y);
    return x;
}
void main()
{
    int i=10;
    int b=func2(i);
    printf("%d",b);
}

160

180

191

181

Question Number 191

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 192

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 193

Visual Studio has

Wizard

Magic

Illusion.

None of the above

Question Number 194

Which is the function key in VS is associated with stepping out of the function while debugging?

Shift + F10

Shift + F5

Shift + F11

None of the above.

Question Number 195

Which of the following is a valid syntax for the sscanf() function?

void sscanf(const char*format,...)

void sscanf(char *s,const char*format,...)

int sscanf(const char*format,...)

int sscanf(char *s,const char*format,...)

Question Number 196

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 197

What is the method used to pause an application at a particular point ?

Flag

Breakpoint

All of the above

None of the above

Question Number 198

Give the output of the following code snippet :

int func()
{
    int i=10;
    if(i!=0)
        return 10.50;
    else
        return 20.75;
}
int main()
{
    float a=func();
    printf("%.2f",a);

}

10.50

10.00

20.00

20.75

Question Number 199

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 200

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 201

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;
    printf("%d %d",sizeof(p1),sizeof(p2));
}

8 0

8 8

0 0

Compilation error

Question Number 202

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 203

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 204

Which function causes the buffered but unwritten data to be written to the file on an output stream C?

fflush(FILE *stream)

fwrite(FILE *stream)

fflush(NULL)

None of the above.

Question Number 205

Give the output of the following code snippet :

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

Assume input as 'c' :

Garbage value.

Question Number 206

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 207

Give the output of the following code snippet :

void dummy() {};
void main()
{
    dummy();
}

Compiler error.

Runtime error

No output

None of the above.

Question Number 208

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

Creates a temporary file

Temporary file is opened in the mode wb+

Returns 0 if it is unable to create a file.

Both 1 and 3

Question Number 209

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 210

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 211

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 212

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 213

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


void main()
{
    int a=5;

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

Value is 5

Value is 1

No output

None of the above.

Question Number 214

Visual Studio has

Build

Worker

All of the above

None of the above

Question Number 215

Platforms and software supported by Visual Studio are,

Windows.

Open Source.

All of the above.

None of the above.

Question Number 216

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 217

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 218

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 219

Which of the following statements is not true about the break statement in C:

Is used in the switch case statement.

It is a flow control statement.

Permanently terminates the execution of a program.

All of the above.

Question Number 220

Breakpoints allow you to :

Freeze the execution of the program.

Execute the program line by line and see the state changes.

Both 1 and 2

None of the above.

Question Number 221

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 222

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 223

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 224

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

stdin

stdout

stdio

Both 1 and 2

Question Number 225

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

stdio.h

math.h

string.h

None of the above.

Question Number 226

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

Solution Explorer

Disassembly window

Bookmark Window

All of the above.

Question Number 227

Which of the following can be called between a read and a write operation in a file?

fflush()

Any file positioning function

Creation of new file, fopen().

Both 1 and 2

Question Number 228

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

All of the above.

Question Number 229

Which of the following functions flushes all the output streams?

fflush(FILE *stream)

fwrite(FILE *stream)

fflush(NULL)

None of the above.

Question Number 230

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

int

float

double

Depends on the data type of the parameter.

Question Number 231

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

None of the above.

Question Number 232

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 233

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

main

double

static

volatile

Question Number 234

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 235

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




void main()
{
    int a=5;

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

Value is 5

Syntax error.

No output

None of the above.

Question Number 236

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 237

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

Watch Window which shows variable values.

F9 to breakpoint

Memory Window

All of the above.

Question Number 238

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

/**/

Both 1 and 2

Question Number 239

Which is a Visual Studio edition.

Express.

Ultimate.

All of the above.

None of the above.

Question Number 240

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 241

Give the output of the following code snippet :

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

Infinite loop

Compilation error

Question Number 242

Give the output of the following code snippet :

void main( )
{
    printf("Hello,
           World ");
}

Hello

Hello World

Compiler error

No output.

Question Number 243

Which of the following are keywords in C:

struct

enum

union

All of the above

Question Number 244

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

Question Number 245

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 246

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 247

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 248

Among all the files that make up a source program, how many times can an external variable be defined?

Once

Twice

Infinite number of times

Specified number if times.

Question Number 249

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 250

Wizard in Visual studio is normally a set of,

Dialogs.

Magics

Conversation

None of the above

Question Number 251

Which of the following is the default method to pass arguments in C?

Call by value

Call by reference.

Both 1 and 2

None of the above.

Question Number 252

Give the output of the following code snippet :

int main()
{
    int a = 0, i = 0;
    for (i = 0; i <  5; i++)
    {

        continue;
        a++;
    }
    printf("%d",a);
}

No output

Question Number 253

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 254

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 255

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