C Interview Questions and Answers

Last updated on Feb 10, 2022
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C Interview Questions

C is a robust, powerful and fast general-purpose programming language. For fresher developers, C can be an excellent choice to start their programming journey. If you are preparing for the C language job interview, we have one of the biggest collection of C Interview Questions.

It is portable and available on all platforms. A lot of programming language such as PHP, Java, and JavaScript that made their entry after the C language has directly or indirectly borrowed features and syntax /features from it. C++ language is almost an extension of the C language. A lot of recent C programming interview questions were based on this information.

Our unique extensively researched C language interview questions are the best way to prepare for job interviews.

C Language
What is C language? C is a general-purpose, procedural computer programming language supporting structured programming, lexical variable scope, and recursion, whilst a static kind machine prevents unintended operations.
Latest Version C18 and released in June 2018
Developed By Dennis Ritchie & Bell Labs
Designed By Dennis Ritchie

Most Frequently Asked C Interview Questions

Here in this article, we will be listing frequently asked C Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q41. How we can insert comments in a C program?
Answer

Comments are an amazing way to insert remarks in a program that can serve as a reminder of what a given program is all about. Get more knowledge of this topic if you are preparing for Interview Questions on C. You can also add a description of why a certain function or code was placed in the first place.

Comments begin with /* and end by */ characters. Comments can be single or several lines and can be placed anywhere in the C program.

Q42. Write a program to find the biggest number of three numbers in C?
Answer
Q43. How to get string length of given string in C?
Answer

C is a robust language with a rich set of built-in features and functions that can be used to build any complex web program. The C compiler has the potential of an assembly language and functionalities of a high-end language. The programs written in this language are robust and efficient, mainly due to its unique data type and strong operators. Much faster than BASIC, it is one of the most widely used languages in OS and embedded system development. On our website, we have provided potential C interview questions.

As a programming language, C is one of the best languages known due to its simplicity of syntax coupled with fantastic functionality. Despite being 40 years old, C language is still trendy. One of the biggest reasons is that the source code written in C works in another OS without a single change. This language is a perfect mix of ease of use with robust features, which makes it an ideal language to be taught to even fresher developers, with an aim to introduce the programming world to them. We can help you prepare for C Interview Questions and Answers by educating you in-depth about this language.

Development History

Initially developed during around 1972 - 1973 at Bell Labs by Dennis Ritchie, mainly for writing OS like UNIX. Some people call it a successor of the B language that was written in the early 1970s. This information is mostly asked during C interview questions.

Latest Version

Many candidates were asked about the features in the latest versions during about their C Programming Interview Questions. C18‎ is the latest stable version, which was released on June 2018.

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