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

C Interview Questions

Questions Answers Views Company eMail

What does a function declared as pascal do differently?

1140

What’s a signal? Explain what do I use signals for?

1116

How do you determine whether to use a stream function or a low-level function?

1129

What is a 'null pointer assignment' error?

1221

What will be the outcome of the following conditional statement if the value of variable s is 10?

1297

How do you use a pointer to a function?

1091

How can you avoid including a header more than once?

988

What is the heap?

1221

What is wrong with this program statement?

1044

How do you override a defined macro?

1273

How do you list a file’s date and time?

1073

What is #line used for?

1029

How can you check to see whether a symbol is defined?

1104

Is it valid to address one element beyond the end of an array?

1175

What is a 'null pointer assignment' error? Explain what are bus errors, memory faults, and core dumps?

1248

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Un-Answered Questions { C }

What is #include stdio h and #include conio h?

1113

Explain c preprocessor?

1119

Explain the difference between structs and unions in c?

1028

Write a program for finding factorial of a number.

1090

explain what are actual arguments?

1093

What is the difference between printf and scanf )?

1101

the maximum length of a character constant can be a) 1 character b) 8 characters c) 256 chaacters d) 125 characters

2302

Why dont c comments nest?

1053

Why array is used in c?

1019

How do you write a program which produces its own source code as output?

1122

How can you find out how much memory is available?

1073

What is keyword in c?

1017

What is call by value in c?

1009

When is the “void” keyword used in a function?

1508

What is the significance of an algorithm to C programming?

1048

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