C Programming - MCQ Practice Questions
Practice free C Programming multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.
978 questions | 100% Free
Q.21Easy
How many bytes are allocated by malloc(sizeof(int) * 10) on a system where int is 4 bytes?
Q.22Easy
What is the primary difference between calloc() and malloc() in C?
Q.23Easy
In a dynamic queue implementation, if front pointer is NULL, what does it indicate?
Q.24Easy
If malloc() returns NULL, what should a program do?
Q.25Easy
In implementing a dynamic doubly-linked list, what additional field is required compared to singly-linked list?