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

C Interview Questions

Questions Answers Views Company eMail

How do you do dynamic memory allocation in C applications?

1089

Process by which one bit pattern in to another by bit wise operation is?

InterGraph,

1168

What is #ifdef ? What is its application?

TCS,

1112

What are disadvantages of C language.

iNautix,

1167

What is the difference between new and malloc functions?

InterGraph,

1131

What do you understand by friend-functions? How are they used?

iNautix,

1210

What are the two forms of #include directive?

Aspire, Infogain,

1170

How macro execution is faster than function ?

Wipro,

1198

What do you mean by a local block?

InterGraph,

1087

What is difference between union All statement and Union?

1113

What do you mean by command line argument?

TCS,

1180

How is a macro different from a function?

Tech Mahindra,

1187

Explain the advantages and disadvantages of macros.

TCS,

1105

Define macros.

Tech Mahindra,

1279

What is output redirection?

1223

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Un-Answered Questions { C }

Is c dynamically typed?

1164

What language is windows 1.0 written?

1068

What is static and volatile in c?

1226

Can we assign string to char pointer?

1115

What is a stream?

1146

What is meant by preprocessor in c?

1016

Explain what happens if you free a pointer twice?

1090

What are integer variable, floating-point variable and character variable?

1259

Where is c used?

1096

Explain how are portions of a program disabled in demo versions?

1122

What is the use of getch ()?

1077

What is the use of a static variable in c?

1062

Write a program to print fibonacci series using recursion?

1064

Who developed c language and when?

1071

Why is not a pointer null after calling free?

1026

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