Mostly Asked C Interview Questions

C Interview Questions

C language is a high-level structured oriented programming language use to general purpose programming requirements. The main usage of C programming language is Operating Systems, Language Compilers, Text Editors, Assemblers, Modern Programs, Data Bases, Language Interpreters, Utilities and many more.

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If you are preparing for the C or another language job interview, we have one of the biggest collection of C Interview Questions and C programs. C language is portable and available on all platforms. I have compiled some repeatedly asked C interview questions here. Some of them are very important C questions asked by employers like Google, Microsoft and IBM. A lot of C programming questions asked in interview are based on following information.

Most Popular C Programming Interview Questions:

1. Who developed C Langauge?
2. What is the modulus operator?
3. Which of the following operators is incorrect and why? ( !=, <=, <>, ==)
4. What is a stack?
5. What are header files and what are its uses in C programming?
6. What is Recursion?
7. Why C is called Structured Programming Langauge?
8. What is the output of the following code if value of str1 is “coder” and str2 is “programmer”?

#include<stdio.h>
#include<string.h>
void main()
{
 char str1[100], str2[100]; 
 printf("Enter the first string\n"); 
 gets(str1);
printf("Enter the second string\n"); 
 gets(str2);
 
 if( strcmp(str1,str2) == 0 )
 printf("Given strings are equal\n");
 else
 printf("Given strings are not equal\n");
}

9. What is the use of a ‘\0’ character?

10. C compiler Detects which Type of error?
Syntax Error
Run time error
logical error
semantic error

More Questions…..

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