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

C Interview Questions

Questions Answers Views Company eMail

What is fflush() function?

1141

What is the difference between exit() and _exit() function in c?

1083

What is null pointer in c?

1008

Where define directive used?

1102

What are bitwise shift operators in c programming?

1094

Do you know null pointer?

1037

What are # preprocessor operator in c?

1126

Can you please explain the difference between exit() and _exit() function?

1042

What is formal argument?

1149

Do you know the purpose of 'register' keyword?

1023

What is the mean of function?

1147

Tell me what are bitwise shift operators?

1141

What is c standard library?

1222

What are c preprocessors?

1209

Explain the difference between strcpy() and memcpy() function?

1027

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Un-Answered Questions { C }

Explain null pointer.

1132

Describe how arrays can be passed to a user defined function

1306

Write a program to display all the prime nos from 1 to 1000000, your code should not take time more than a minute to display all the nos.

2089

What is n in c?

1072

Where are local variables stored in c?

1052

Why pointers are used?

1084

The % symbol has a special use in a printf statement. Explain how would you place this character as part of the output on the screen?

1222

please can any one suggest me best useful video tutorials on c i am science graduate.please help me.u can email me to sas29@in.com

1779

How many loops are there in c?

1121

Differentiate between #include<...> and #include '...'

1071

Why we use stdio h in c?

1050

What is the use of volatile?

1102

Differentiate between full, complete & perfect binary trees.

1125

What are extern variables in c?

1004

What are identifiers c?

1099

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