Commonly asked C Programming Interview Questions & Answers. C Language Interview Questions and Answers. Frequently asked questions in C Programming Language. C Language Basics & Data Structures Interview Questions with Answers.
C Programming Interview Questions for Fresher Job Aspirants. C is the most used programming language, when you are going to Job interview based on the C programming prepare and remember main topics and important programs in the C Language.
C Language Interview Questions
1. What is C Language?
C language is a structure/procedure oriented, middle level programming language developed at Bell Laboratories in 1972 by Dennis Ritchie. C language was invented for implementing UNIX operating system
2. Who Developed C Language?
C programming language was developed by Dennis Ritchie at Bell Laboratories in 1972.
3. What is the use of a ‘\0′ character?
It is referred to as a terminating null character, and is used primarily to show the end of a string value.
4. What are different storage class specifiers in C?
auto, register, static, extern
5. What is syntax error?
Syntax errors are associated with mistakes in the use of a programming language. It maybe a command that was misspelled or a command that must was entered in lowercase mode but was instead entered with an upper case character. A misplaced symbol, or lack of symbol, somewhere within a line of code can also lead to syntax error.
Commonly Asked C Programing Interview Questions
6. What is FIFO?
In C programming, there is a data structure known as queue. In this structure, data is stored and accessed using FIFO format, or First-In-First-Out. A queue represents a line wherein the first data that was stored will be the first one that is accessible as well.
7. What is FILE?
FILE is a predefined data type. It is defined in stdio.h file.
8. What is recursion?
A recursion function is one which calls itself either directly or indirectly it must halt at a definite point to avoid infinite recursion.
9. What is a pointer?
Pointers are variables which stores the address of another variable. That variable may be a scalar (including another pointer), or an aggregate (array or structure). The pointed-to object may be part of a larger object, such as a field of a structure or an element in an array.
10. What is debugging?
Debugging is the process of identifying errors within a program. During program compilation, errors that are found will stop the program from executing completely. At this state, the programmer would look into the possible portions where the error occurred. Debugging ensures the removal of errors, and plays an important role in ensuring that the expected program output is met.