Explore topic-wise MCQs in C Questions and Answers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your C Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Which among the given function causes abnormal program termination ?

A. exit()
B. abort()
C. atexit()
D. getenv()
Answer» C. atexit()
Discussion
2.

void free(void *ptr) deallocates the memory previously allocated by a call to _______ ________ or _________

A. malloc,getenv,abort
B. calloc,malloc,exit
C. calloc,malloc,realloc
D. exit,getenv,abort
Answer» D. exit,getenv,abort
Discussion