1. What is (void*)0?

A. Representation of NULL pointer
B. Representation of void pointer
C. Error
D. None of above

Show Answer

2. Can you combine the following two statements into one?

A. char p = *malloc(100);
B. char *p = (char) malloc(100);
C. char *p = (char*)malloc(100);
D. char *p = (char *)(malloc*)(100);

Show Answer

3. In which header file is the NULL macro defined?

A. stdio.h
B. stddef.h
C. stdio.h and stddef.h
D. math.h

Show Answer

4. How many bytes are occupied by near, far and huge pointers (DOS)?

A. near=2 far=4 huge=4
B. near=4 far=8 huge=8
C. near=2 far=4 huge=8
D. near=4 far=4 huge=8

Show Answer

5. If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable?

A. .
B. &
C. *
D. ->

Show Answer