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

C Interview Questions

Questions Answers Views Company eMail

Explain continue keyword in c

1019

Is there any demerits of using pointer?

1070

What is the difference between #include

and #include “header file”?

1030

Compare array data type to pointer data type

1021

How can you find the exact size of a data type in c?

1001

What are static variables in c?

1078

When can you use a pointer with a function?

1066

What does printf does?

1243

what are bit fields in c?

2 1716

Explain c preprocessor?

1110

Differentiate call by value and call by reference?

Cyient,

963

What is difference between structure and union?

1128

What is an auto variable in c?

1233

What is the use of extern in c?

1092

Is there any data type in c with variable size?

1099

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Un-Answered Questions { C }

When is a null pointer used?

1110

Write a program with dynamically allocation of variable.

1126

What is volatile variable in c with example?

1043

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

1000

Explain enumerated types.

1030

What are register variables? What are the advantage of using register variables?

1189

How can you be sure that a program follows the ANSI C standard?

1602

Write a program to show the change in position of a cursor using c

1059

What is a struct c#?

1049

Explain what is the difference between a free-standing and a hosted environment?

1183

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

1214

Differentiate between Macro and ordinary definition.

1379

Write a program to generate a pulse width frequency of your choise,which can be variable by using the digital port of your processor

3538

What is realloc in c?

1089

What is the collection of communication lines and routers called?

1120

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