Pointer - C Programming MCQ Questions and Answers

1.

Determine Output:

void main()
{
      char far *farther, *farthest;
      printf("%d..%d", sizeof(farther), sizeof(farthest));
}

A. 4..2

B. 2..2

C. 4..4

D. 2..4

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2.

Determine Output:

main()
{
      char *str1 = "abcd";
      char str2[] = "abcd";
      printf("%d %d %d", sizeof(str1), sizeof(str2), sizeof("abcd"));
}

A. 2 5 5

B. 2 4 4

C. 8 5 5

D. 2 4 5

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3.
Choose the best answer.
Prior to using a pointer variable

A. It should be declared.

B. It should be initialized.

C. It should be both declared and initialized.

D. None of these.

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4.

Comment on the following pointer declaration?

int *ptr, p;

A. ptr is a pointer to integer, p is not.

B. ptr and p, both are pointers to integer.

C. ptr is pointer to integer, p may or may not be.

D. ptr and p both are not pointers to integer.

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5.

What will be the output?

main() 
{ 
      char *p; 
      p = "Hello"; 
      printf("%cn",*&*p); 
}

A. Hello

B. H

C. Some address will be printed

D. None of these.

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1.
Determine Output:

`void main() { char far farther, farthest; printf("%d..%d", sizeof(farther), sizeof(farthest)); }`

Answer & Solution

2.
Determine Output:

`main() { char *str1 = "abcd"; char str2[] = "abcd"; printf("%d %d %d", sizeof(str1), sizeof(str2), sizeof("abcd")); }`

Answer & Solution

3.
Choose the best answer.
Prior to using a pointer variable

Answer & Solution

4.
Comment on the following pointer declaration?
`int *ptr, p;`

Answer & Solution

5.
What will be the output?

`main() { char p; p = "Hello"; printf("%cn",&*p); }`

Answer & Solution

Pointer - C Programming MCQ Questions and Answers

1. Determine Output: void main() { char far *farther, *farthest; printf("%d..%d", sizeof(farther), sizeof(farthest)); }

Answer & Solution

2. Determine Output: main() { char *str1 = "abcd"; char str2[] = "abcd"; printf("%d %d %d", sizeof(str1), sizeof(str2), sizeof("abcd")); }

Answer & Solution

3. Choose the best answer. Prior to using a pointer variable

Answer & Solution

4. Comment on the following pointer declaration? int *ptr, p;

Answer & Solution

5. What will be the output? main() { char *p; p = "Hello"; printf("%cn",*&*p); }

Answer & Solution

1.
Determine Output:

`void main() { char far farther, farthest; printf("%d..%d", sizeof(farther), sizeof(farthest)); }`

2.
Determine Output:

`main() { char *str1 = "abcd"; char str2[] = "abcd"; printf("%d %d %d", sizeof(str1), sizeof(str2), sizeof("abcd")); }`

3.
Choose the best answer.
Prior to using a pointer variable

4.
Comment on the following pointer declaration?
`int *ptr, p;`

5.
What will be the output?

`main() { char p; p = "Hello"; printf("%cn",&*p); }`