Explore topic-wise MCQs in C Programming.

This section includes 6 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.

Read the following program. findPalindrome { char *str; char *str1; str = str1; while(str1 != NULL) { str1++; } while(str!=NULL) { if(str1--!= str++) { printf("Not palindrome"); return } } printf("Palindrome"); } This function will work correctly for which string?

A. even palindrome
B. odd palindrome
C. both even and odd
D. none of the above
Answer» D. none of the above
Discussion
2.

Which is true about isalnum(ch), where ch is an int that can be represented as an unsigned?

A. Nothing
B. 0 if not isalpha(ch) or not isdigit(ch)
C. Non-zero if isalpha(ch) or isdigit(ch)
D. Both 0 if not isalpha(ch) or not isdigit(ch) & Non-zero if isalpha(ch) or isdigit(ch)
E. None of these
Answer» E. None of these
Discussion
3.

Which is true about isupper(ch), where ch is an int that can be represented as an unsigned?

A. 0 if ch is not upper case
B. Non-zero if ch is upper case
C. Both 0 if ch is not upper case & Non-zero if ch is upper case
D. Nothing
E. None of these
Answer» D. Nothing
Discussion
4.

Which is true about isaplpha(ch), where ch is an int that can be represented as an unsigned?

A. 0 if ch is not alphabetic
B. Non-zero if ch is alphabetic
C. Both 0 if ch is not alphabetic & Non-zero if ch is alphabetic
D. Non-zero if d is alphabetic
E. None of these
Answer» D. Non-zero if d is alphabetic
Discussion
5.

What will be the value of var for the following C statement?

A. strcmp has void return-type
B. 1
C. 0
D. -1
E. None of these
Answer» E. None of these
Discussion
6.

The following C expression can be substituted for?

A. if (isalphanum(c))
B. if (isalphanumeric(c))
C. if (isalnum(c))
D. All of above
E. None of these
Answer» F.
Discussion