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 declare a variable that will hold string values?

1180

is it possible to create your own header files?

1107

What are global variables and how do you declare them?

1102

What are preprocessor directives?

1 3807

What are enumerated types?

1197

Some coders debug their programs by placing comment symbols on some codes instead of deleting it. How does this aid in debugging?

1128

In a switch statement, what will happen if a break statement is omitted?

1069

Is there a built-in function in C that can be used for sorting data?

1269

Can the curly brackets { } be used to enclose a single line of code?

1173

Are comments included during the compilation stage and placed in the EXE file as well?

1086

What is the advantage of an array over individual variables?

1241

How do you search data in a data file using random access method?

1308

Can two or more operators such as and be combined in a single line of program code?

1375

Create a simple code fragment that will swap the values of two variables num1 and num2.

1291

What is wrong in this statement? scanf(“%d”,whatnumber);

1245

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Un-Answered Questions { C }

Explain what does it mean when a pointer is used in an if statement?

1069

What does 3 periods mean in texting?

1067

What type is sizeof?

1040

C program execution always begins with a) #include b) comment (/*-------*/) c) main() d) declaration instructions

1058

What is string concatenation in c?

1094

Why malloc is faster than calloc?

1069

What is the use of sizeof?

1022

Can we access array using pointer in c language?

1096

Can you please explain the scope of static variables?

1063

What is c language in simple words?

1068

How can I insert or delete a line (or record) in the middle of a file?

1022

application areas a 'c' a) operating system b) graphics, interpreter, assembler c) program evalution, communication softwares d) all the above

1069

Does * p ++ increment p or what it points to?

1121

What is a loop?

1064

Explain bit masking in c?

1143

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