Pointer - C Programming MCQ Questions and Answers Page-5 section-2

Section 1 Section 2 Section 3

41.
Which of the following declaration is illegal?

A. int a = 0, b = 1, c = 2;
int array[3] = {a, b, c};

B. int size = 3;
int array[size];

C. int size = 3;
int array[size] = {1, 2, 3};

D. All of the mentioned

Answer & Solution Discuss in Board Save for Later

42.

What will be the output of the following C code?

#include <stdio.h>
int mul(int a, int b, int c)
{
    return a * b * c;
}
void main()
{
    int (function_pointer)(int, int, int);
    function_pointer = mul;
    printf("The product of three numbers is:%d",
    function_pointer(2, 3, 4));
}

A. The product of three numbers is:24

B. Compile time error

C. Nothing

D. Varies

Answer & Solution Discuss in Board Save for Later

43.

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int x = 0;
    int *ptr = &x;
    printf("%d\n", *ptr);
}

A. Address of x

B. Junk value

C. 0

D. Run time error

Answer & Solution Discuss in Board Save for Later

44.
What is the maximum number of arguments that can be passed in a single function?

A. 127

B. 253

C. 361

D. No limits in number of arguments

Answer & Solution Discuss in Board Save for Later

45.

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int ary[4] = {1, 2, 3, 4};
    int p[4];
    p = ary;
    printf("%d\n", p[1]);
}

A. 1

B. Compile time error

C. Undefined behaviour

D. 2

Answer & Solution Discuss in Board Save for Later

46.

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int *((*x)())[2];
    x();
    printf("after x\n");
}
int *((*x)())[2]
{
    int **str;
    str = (int*)malloc(sizeof(int)* 2);
    return str;
}

A. Compile time error

B. Undefined behaviour

C. After x

D. None of the mentioned

Answer & Solution Discuss in Board Save for Later

47.

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int k = 5;
    int *p = &k;
    int **m  = &p;
    **m = 6;
    printf("%d\n", k);
}

A. 5

B. Run time error

C. 6

D. Junk

Answer & Solution Discuss in Board Save for Later

48.

What will be the output of the following C code?

#include <stdio.h>
int *f();
int main()
{
    int *p = f();
    printf("%d\n", *p);
}
int *f()
{
    int j = 10;
    return &j;
}

A. 10

B. Compile time error

C. Segmentation fault/runtime crash

D. Undefined behaviour

Answer & Solution Discuss in Board Save for Later

49.

What will be the output of the following C code?

#include <stdio.h>
struct student
{
    int no;
    char name[20];
};
void main()
{
    student s;
    s.name = "hello";
    printf("hello");
}

A. Nothing

B. hello

C. Compile time error

D. Varies

Answer & Solution Discuss in Board Save for Later

50.
Which of the following are generated from char pointer?

A. char *string = "Hello.";

B. char *string;
scanf("%s", string);

C. char string[] = "Hello.";

D. char *string = "Hello."; and char string[] = "Hello.";

Answer & Solution Discuss in Board Save for Later

1 2 3 4 5 6 7 8 9 10

41.
Which of the following declaration is illegal?

Answer & Solution

42.
What will be the output of the following C code?

`#include <stdio.h> int mul(int a, int b, int c) { return a * b * c; } void main() { int (function_pointer)(int, int, int); function_pointer = mul; printf("The product of three numbers is:%d", function_pointer(2, 3, 4)); }`

Answer & Solution

43.
What will be the output of the following C code?

`#include <stdio.h> void main() { int x = 0; int ptr = &x; printf("%d\n", ptr); }`

Answer & Solution

44.
What is the maximum number of arguments that can be passed in a single function?

Answer & Solution

45.
What will be the output of the following C code?

`#include <stdio.h> int main() { int ary[4] = {1, 2, 3, 4}; int p[4]; p = ary; printf("%d\n", p[1]); }`

Answer & Solution

46.
What will be the output of the following C code?

`#include <stdio.h> int main() { int ((x)())[2]; x(); printf("after x\n"); } int ((x)())[2] { int **str; str = (int)malloc(sizeof(int) 2); return str; }`

Answer & Solution

47.
What will be the output of the following C code?

`#include <stdio.h> void main() { int k = 5; int *p = &k; int m = &p; m = 6; printf("%d\n", k); }`

Answer & Solution

48.
What will be the output of the following C code?

`#include <stdio.h> int f(); int main() { int p = f(); printf("%d\n", p); } int f() { int j = 10; return &j; }`

Answer & Solution

49.
What will be the output of the following C code?

`#include <stdio.h> struct student { int no; char name[20]; }; void main() { student s; s.name = "hello"; printf("hello"); }`

Answer & Solution

50.
Which of the following are generated from char pointer?

Answer & Solution

Read More Section(Pointer)

Pointer - C Programming MCQ Questions and Answers

41. Which of the following declaration is illegal?

Answer & Solution

42. What will be the output of the following C code? #include <stdio.h> int mul(int a, int b, int c) { return a * b * c; } void main() { int (function_pointer)(int, int, int); function_pointer = mul; printf("The product of three numbers is:%d", function_pointer(2, 3, 4)); }

Answer & Solution

43. What will be the output of the following C code? #include <stdio.h> void main() { int x = 0; int *ptr = &x; printf("%d\n", *ptr); }

Answer & Solution

44. What is the maximum number of arguments that can be passed in a single function?

Answer & Solution

45. What will be the output of the following C code? #include <stdio.h> int main() { int ary[4] = {1, 2, 3, 4}; int p[4]; p = ary; printf("%d\n", p[1]); }

Answer & Solution

46. What will be the output of the following C code? #include <stdio.h> int main() { int *((*x)())[2]; x(); printf("after x\n"); } int *((*x)())[2] { int **str; str = (int*)malloc(sizeof(int)* 2); return str; }

Answer & Solution

47. What will be the output of the following C code? #include <stdio.h> void main() { int k = 5; int *p = &k; int **m = &p; **m = 6; printf("%d\n", k); }

Answer & Solution

48. What will be the output of the following C code? #include <stdio.h> int *f(); int main() { int *p = f(); printf("%d\n", *p); } int *f() { int j = 10; return &j; }

Answer & Solution

49. What will be the output of the following C code? #include <stdio.h> struct student { int no; char name[20]; }; void main() { student s; s.name = "hello"; printf("hello"); }

Answer & Solution

50. Which of the following are generated from char pointer?

Answer & Solution

Read More Section(Pointer)

41.
Which of the following declaration is illegal?

42.
What will be the output of the following C code?

`#include <stdio.h> int mul(int a, int b, int c) { return a * b * c; } void main() { int (function_pointer)(int, int, int); function_pointer = mul; printf("The product of three numbers is:%d", function_pointer(2, 3, 4)); }`

43.
What will be the output of the following C code?

`#include <stdio.h> void main() { int x = 0; int ptr = &x; printf("%d\n", ptr); }`

44.
What is the maximum number of arguments that can be passed in a single function?

45.
What will be the output of the following C code?

`#include <stdio.h> int main() { int ary[4] = {1, 2, 3, 4}; int p[4]; p = ary; printf("%d\n", p[1]); }`

46.
What will be the output of the following C code?

`#include <stdio.h> int main() { int ((x)())[2]; x(); printf("after x\n"); } int ((x)())[2] { int **str; str = (int)malloc(sizeof(int) 2); return str; }`

47.
What will be the output of the following C code?

`#include <stdio.h> void main() { int k = 5; int *p = &k; int m = &p; m = 6; printf("%d\n", k); }`

48.
What will be the output of the following C code?

`#include <stdio.h> int f(); int main() { int p = f(); printf("%d\n", p); } int f() { int j = 10; return &j; }`

49.
What will be the output of the following C code?

`#include <stdio.h> struct student { int no; char name[20]; }; void main() { student s; s.name = "hello"; printf("hello"); }`

50.
Which of the following are generated from char pointer?