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45 interview questions on Language C - Fundamentalsfor developers (2025)

Test your technical skills before an interview of Language C - Fundamentals with 45 corrected questions. Beginner, Intermediate or Expert level.

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45 questions
Easy
7 votes837 runs2 comments
Easy
3 votes301 runs0 comment
Medium
3 votes258 runs
1 comment

Undefined behavior.

IT Architect
memory
pointers
Abha Agrawaat Jan 2, 2024
Easy
3 votes161 runs0 comment
Easy
2 votes342 runs2 comments

Include a .h library in C

IT Architect
header files
libraries
Kahinaat Jan 2, 2024
Easy
2 votes328 runs0 comment
Medium
2 votes315 runs
2 comments
Medium
1 vote30 runs0 comment
Easy
0 vote375 runs0 comment
Easy
0 vote360 runs0 comment

What is a file .o?

IT Architect
object file
compilation
Kahinaat Sep 19, 2022
Easy
0 vote348 runs1 comment
Easy
0 vote346 runs
2 comments
Easy
0 vote337 runs0 comment
Easy
0 vote337 runs0 comment
Easy
0 vote324 runs0 comment
Medium
0 vote245 runs0 comment

What are preprocessor directives for?

IT Architect
preprocessor
directives
Kahinaat Mar 21, 2022