Explore topic-wise MCQs in C.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your C knowledge and support exam preparation. Choose a topic below to get started.

1.

The______function tests for any hexadecimal-digit character.

A. iscntrl()
B. ispunct()
C. isgraph()
D. isxdigit()
Answer» E.
Discussion
2.

Which function tests for any character that is an uppercase letter.

A. iscntrl()
B. ispunct()
C. isdigit()
D. isupper()
Answer» E.
Discussion
3.

The standard white-space characters are the following: space (' '), form feed (' f '),
newline (' n') , horizontal tab (' tr), and vertlcal tab (' v') can be tested with function.

A. ispunct()
B. isalpha()
C. isgraph()
D. isspace()
Answer» E.
Discussion
4.

This function checks whether the passed character is white-space.

A. ispunct()
B. isgraph()
C. isspace()
D. isalpha()
Answer» D. isalpha()
Discussion