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

C Interview Questions

Questions Answers Views Company eMail

Explain what is wrong in this statement?

1125

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

1090

Explain what are the __date__ and __time__ preprocessor commands?

1127

Explain what is wrong with this statement? Myname = ?robin?;

1589

Explain what header files do I need in order to define the standard library functions I use?

1173

Explain what are binary trees?

1079

Explain what does the characters 'r' and 'w' mean when writing programs that will make use of files?

1254

Explain what is output redirection?

1195

Explain what are compound statements?

1063

Explain what math functions are available for integers? For floating point?

1116

Explain how can you be sure that a program follows the ansi c standard?

1481

Explain what happens if you free a pointer twice?

1090

Explain how can I prevent another program from modifying part of a file that I am modifying?

1094

Explain what is the difference between the expression '++a' and 'a++'?

1214

Explain how can I remove the trailing spaces from a string?

1050

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Un-Answered Questions { C }

What are header files and what are its uses in C programming?

1242

Explain null pointer.

1121

Write a program to compute the similarity between two strings - The program should get the two strings as input - Then it will output one single number which is the percentage of similarity between the two strings

2754

What are pointers? What are stacks and queues?

1155

What is wrong with this code?

1188

What are the features of the c language?

1088

Is c is a procedural language?

1099

What is wrong with this program statement?

1042

Explain what is the heap?

1058

An application package has been provided to you without any documents for the following application. The application needs to be tested. How will you proceed?

1236

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

1070

Explain what is meant by 'bit masking'?

1201

What is the difference between pure virtual function and virtual function?

1126

Are negative numbers true in c?

1069

Explain how can I make sure that my program is the only one accessing a file?

1225

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