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

C Interview Questions

Questions Answers Views Company eMail

What is the time and space complexities of merge sort and when is it preferred over quick sort?

Amazon,

1081

Write a function which takes as parameters one regular expression(only ? and * are the special characters) and a string and returns whether the string matched the regular expression.

Amazon,

1097

Differentiate between a structure and a union.

Zensar,

1291

Explain that why C is procedural?

Maveric, Verifone,

1145

What is array in C

1160

write a program fibonacci series and palindrome program in c

Aditi Placement Service,

1041

What is volatile, register definition in C

Cognizant,

1107

The difference between printf and fprintf is ?

Baan Infotech,

1289

What does the file stdio.h contain?

1064

What does #pragma once mean?

Celstream,

1164

What is the ANSI C Standard?

Celstream,

1269

What's the difference between constant char *p and char * constant p?

Celstream,

1151

Why are some ANSI/ISO Standard library routines showing up as undefined, even though I've got an ANSI compiler?

Celstream,

1132

what are the advantages of a macro over a function?

TCS,

1146

what does static variable mean?

TCS,

1106

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Un-Answered Questions { C }

What is c programing language?

1086

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

1134

Where we use clrscr in c?

1140

Are c and c++ the same?

1057

Explain what are its uses in c programming?

1064

Why is python slower than c?

1089

What are the features of the c language?

1086

How to write a code for implementing my own printf() and scanf().... Please hep me in this... I need a guidance... Can you give an coding for c... Please also explain about the header files used other than #include...

5475

What is #define in c?

1048

What is a method in c?

1147

Why is c still so popular?

1043

What is extern keyword in c?

1133

Is file a keyword in c?

935

What is the use of the function in c?

1019

What is an endless loop?

1278

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