Explore topic-wise MCQs in C Programming.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your C Programming knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is used during memory deallocation in C?

A. remove(p);
B. delete(p);
C. free(p);
D. terminate(p);
Answer» D. terminate(p);
Discussion
2.

Why do we write (int *) before malloc?

A. It is for the syntax correctness
B. It is for the type-casting
C. It is to inform malloc function about the data-type expected
D. None of the mentionedView Answer
Answer» C. It is to inform malloc function about the data-type expected
Discussion
3.

Memory allocation using malloc() is done in _________

A. Static area
B. Stack area
C. Heap area
D. Both Stack & Heap area
Answer» D. Both Stack & Heap area
Discussion
4.

In function free(p), p is a _______

A. int
B. pointer returned by malloc()
C. pointer returned by calloc()
D. pointer returned by malloc() & calloc()
Answer» E.
Discussion
5.

calloc() returns storage that is initialized to.

A. Zero
B. Null
C. Nothing
D. One
Answer» B. Null
Discussion
6.

void * malloc(size_t n) returns?

A. Pointer to n bytes of uninitialized storage
B. NULL if the request can be satisfied
C. Nothing
D. None of the mentioned
Answer» B. NULL if the request can be satisfied
Discussion
7.

The function ____ obtains a block of memory dynamically.

A. calloc
B. malloc
C. both calloc & malloc
D. free
Answer» D. free
Discussion