Function - C Programming MCQ Questions and Answers

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51.

What will be the output of the following C code?

#include <stdio.h>
int x = 5;
void main()
{
    int x = 3;
    printf("%d", x);
    {
        x = 4;
    }
    printf("%d", x);
}

A. Run time error

B. 3 3

C. 3 5

D. 3 4

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52.

Which part of the program address space is p stored in the following C code?

#include <stdio.h>
int *p = NULL;
int main()
{
    int i = 0;
    p = &i;
    return 0;
}

A. Code/text segment

B. Data segment

C. Bss segment

D. Stack

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53.
What would happen if you create a file stdio.h and use #include "stdio.h"?

A. The predefined library file will be selected

B. The user-defined library file will be selected

C. Both the files will be included

D. The compiler won't accept the program

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54.

What will be the output of the following C code?

#include <stdio.h>
int x;
void main()
{
    printf("%d", x);
}

A. Junk value

B. Run time error

C. 0

D. Undefined

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55.
Automatic variables are initialized to . . . . . . . .

A. Zero

B. Junk value

C. Nothing

D. Both Zero & Junk value

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56.

What will be the output of the following C code?

#include <stdio.h>
#define MIN 0
#if defined(MIN) + defined(MAX)
#define MAX 10
#endif
int main()
{
    printf("%d %d\n", MAX, MIN);
    return 0;
}

A. 10 0

B. Compile time error

C. Undefined behaviour

D. Somegarbagevalue 0

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57.
Functions can return enumeration constants in C?

A. true

B. false

C. depends on the compiler

D. depends on the standard

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58.

What will be the output of the following C code?

#include <stdio.h>
int foo(int, int);
#define foo(x, y) x / y + x
int main()
{
   int i = -6, j = 3;
   printf("%d ",foo(i + j, 3));
   #undef foo
   printf("%d\n",foo(i + j, 3));
}
int foo(int x, int y)
{
   return x / y + x;
}

A. -8 -4

B. Compile time error

C. -8 -8

D. Undefined behaviour

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59.

What will be the output of the following C code?

#include <stdio.h>
int x;
void main()
{
    m();
    printf("%d", x);
}
void m()
{
    x = 4;
}

A. 0

B. 4

C. Compile time error

D. Undefined

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60.

What will be the output of the following C code?

#include <stdio.h>
int foo();
int main()
{
    int i = foo();
}
foo()
{
    printf("2 ");
    return 2;
}

A. 2

B. Compile time error

C. Depends on the compiler

D. Depends on the standard

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51.
What will be the output of the following C code?

`#include <stdio.h> int x = 5; void main() { int x = 3; printf("%d", x); { x = 4; } printf("%d", x); }`

Answer & Solution

52.
Which part of the program address space is p stored in the following C code?

`#include <stdio.h> int *p = NULL; int main() { int i = 0; p = &i; return 0; }`

Answer & Solution

53.
What would happen if you create a file stdio.h and use #include "stdio.h"?

Answer & Solution

54.
What will be the output of the following C code?

`#include <stdio.h> int x; void main() { printf("%d", x); }`

Answer & Solution

55.
Automatic variables are initialized to . . . . . . . .

Answer & Solution

56.
What will be the output of the following C code?

`#include <stdio.h> #define MIN 0 #if defined(MIN) + defined(MAX) #define MAX 10 #endif int main() { printf("%d %d\n", MAX, MIN); return 0; }`

Answer & Solution

57.
Functions can return enumeration constants in C?

Answer & Solution

58.
What will be the output of the following C code?

`#include <stdio.h> int foo(int, int); #define foo(x, y) x / y + x int main() { int i = -6, j = 3; printf("%d ",foo(i + j, 3)); #undef foo printf("%d\n",foo(i + j, 3)); } int foo(int x, int y) { return x / y + x; }`

Answer & Solution

59.
What will be the output of the following C code?

`#include <stdio.h> int x; void main() { m(); printf("%d", x); } void m() { x = 4; }`

Answer & Solution

60.
What will be the output of the following C code?

`#include <stdio.h> int foo(); int main() { int i = foo(); } foo() { printf("2 "); return 2; }`

Answer & Solution

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Function - C Programming MCQ Questions and Answers

51. What will be the output of the following C code? #include <stdio.h> int x = 5; void main() { int x = 3; printf("%d", x); { x = 4; } printf("%d", x); }

Answer & Solution

52. Which part of the program address space is p stored in the following C code? #include <stdio.h> int *p = NULL; int main() { int i = 0; p = &i; return 0; }

Answer & Solution

53. What would happen if you create a file stdio.h and use #include "stdio.h"?

Answer & Solution

54. What will be the output of the following C code? #include <stdio.h> int x; void main() { printf("%d", x); }

Answer & Solution

55. Automatic variables are initialized to . . . . . . . .

Answer & Solution

56. What will be the output of the following C code? #include <stdio.h> #define MIN 0 #if defined(MIN) + defined(MAX) #define MAX 10 #endif int main() { printf("%d %d\n", MAX, MIN); return 0; }

Answer & Solution

57. Functions can return enumeration constants in C?

Answer & Solution

58. What will be the output of the following C code? #include <stdio.h> int foo(int, int); #define foo(x, y) x / y + x int main() { int i = -6, j = 3; printf("%d ",foo(i + j, 3)); #undef foo printf("%d\n",foo(i + j, 3)); } int foo(int x, int y) { return x / y + x; }

Answer & Solution

59. What will be the output of the following C code? #include <stdio.h> int x; void main() { m(); printf("%d", x); } void m() { x = 4; }

Answer & Solution

60. What will be the output of the following C code? #include <stdio.h> int foo(); int main() { int i = foo(); } foo() { printf("2 "); return 2; }

Answer & Solution

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51.
What will be the output of the following C code?

`#include <stdio.h> int x = 5; void main() { int x = 3; printf("%d", x); { x = 4; } printf("%d", x); }`

52.
Which part of the program address space is p stored in the following C code?

`#include <stdio.h> int *p = NULL; int main() { int i = 0; p = &i; return 0; }`

53.
What would happen if you create a file stdio.h and use #include "stdio.h"?

54.
What will be the output of the following C code?

`#include <stdio.h> int x; void main() { printf("%d", x); }`

55.
Automatic variables are initialized to . . . . . . . .

56.
What will be the output of the following C code?

`#include <stdio.h> #define MIN 0 #if defined(MIN) + defined(MAX) #define MAX 10 #endif int main() { printf("%d %d\n", MAX, MIN); return 0; }`

57.
Functions can return enumeration constants in C?

58.
What will be the output of the following C code?

`#include <stdio.h> int foo(int, int); #define foo(x, y) x / y + x int main() { int i = -6, j = 3; printf("%d ",foo(i + j, 3)); #undef foo printf("%d\n",foo(i + j, 3)); } int foo(int x, int y) { return x / y + x; }`

59.
What will be the output of the following C code?

`#include <stdio.h> int x; void main() { m(); printf("%d", x); } void m() { x = 4; }`

60.
What will be the output of the following C code?

`#include <stdio.h> int foo(); int main() { int i = foo(); } foo() { printf("2 "); return 2; }`