Explore topic-wise MCQs in C Programming Interview.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your C Programming Interview knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is not a pointer declaration?

A. char a[10];
B. char a[] = {‘1’, ‘2’, ‘3’, ‘4’};
C. char *str;
D. char a;
Answer» E.
Discussion
2.

Which keyword is used to prevent any changes in the variable within a C program?

A. immutable
B. mutable
C. const
D. volatile
Answer» D. volatile
Discussion
3.

Which of the following declaration is illegal?

A. char *str = “Best C programming classes by Sanfoundry”;
B. char str[] = “Best C programming classes by Sanfoundry”;
C. char str[20] = “Best C programming classes by Sanfoundry”;
D. char[] str = “Best C programming classes by Sanfoundry”;
Answer» E.
Discussion
4.

The name of the variable used in one function cannot be used in another function.

A. True
B. False
C. May be
D. None of the mentioned
Answer» C. May be
Discussion
5.

A variable declared in a function can be used in main().

A. True
B. False
C. True if it is declared static
D. None of the mentioned
Answer» C. True if it is declared static
Discussion