C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

In c language can we compile a program without main() function?

1136

Write a program to find the biggest number of three numbers in c?

1043

Explain the difference between structs and unions in c?

1024

How to get string length of given string in c?

1067

Write a program to check whether a number is prime or not using c?

1058

Explain the difference between malloc() and calloc() in c?

1047

Why c is faster than c++?

1030

Write a program to check palindrome number in c programming?

1015

Write a program to reverse a given number in c?

1037

Write a program to swap two numbers without using the third variable?

1066

What are the features of the c language?

1084

What is the usage of the pointer in c?

1120

Write a program to print fibonacci series using recursion?

1062

Write a program to print factorial of given number using recursion?

1013

What is the use of printf() and scanf() functions?

1128

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Un-Answered Questions { C }

How we can insert comments in a c program?

1121

What is main function in c?

1077

Why #include is used in c language?

1050

What is logical error?

1122

What do the functions atoi(), itoa() and gcvt() do?

1182

Why c is a mother language?

1034

which is conditional construct a) if statement b) switch statement c) while/for d) goto

1217

What is meant by 'bit masking'?

1390

What is the basic structure of c?

1080

What is calloc in c?

1139

write a c program to print the next of a particular no without using the arithmetic operator or looping statements?

3956

When is a void pointer used?

1240

Distinguish between actual and formal arguments.

1077

the portion of a computer program within which the definition of the variable remains unchanged a) mode b) module c) scope d) none

1055

Is null always equal to 0(zero)?

1033

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