Explore topic-wise MCQs in C Interview.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your C Interview knowledge and support exam preparation. Choose a topic below to get started.

1.

What will be the output of the following C statement?

A. The diagnostic output is directly displayed in the output
B. The diagnostic output is pipelined to the output file
C. The line which caused error is compiled again
D. The program is immediately abortedView Answer
Answer» B. The diagnostic output is pipelined to the output file
Discussion
2.

What is the purpose of the C function?

A. They check for input errors
B. They check for output errors
C. They check for all types of errors
D. They check for error in accessing the fileView Answer
Answer» C. They check for all types of errors
Discussion
3.

Which of the following causes an error?

A. Trying to read a file that doesn’t exist
B. Inability to write data in a file
C. Failure to allocate memory with the help of malloc
D. All of the mentioned
Answer» C. Failure to allocate memory with the help of malloc
Discussion
4.

Which of the following function can be used to terminate the main() function from another function safely?

A. return(expr);
B. exit(expr);
C. abort();
D. both exit(expr); and abort();
Answer» E.
Discussion
5.

The diagnostic output is directly displayed in the output

A. The diagnostic output is pipelined to the output file
B. The line which caused error is compiled again
C. The program is immediately aborted
Answer» C. The program is immediately aborted
Discussion
6.

stderr is similar to?

A. stdin
B. stdout
C. Both stdout and stdin
D. None of the mentioned
Answer» C. Both stdout and stdin
Discussion
7.

They check for input errors

A. They check for output errors
B. They check for all types of errors
C. They check for error in accessing the file
Answer» C. They check for error in accessing the file
Discussion