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

C Interview Questions

Questions Answers Views Company eMail

What are the advantages of using Unions?

IBS,

1121

How do you print an address?

TCS,

1272

In header files whether functions are declared or defined?

TCS,

1 1867

What are Macros? What are its advantages and disadvantages?

TCS,

1166

What are the differences between Structures and Arrays?

TCS,

1216

What is static identifier?

TCS,

1224

How can you determine the size of an allocated portion of memory?

Aspire, Infogain,

1313

Is it better to use malloc() or calloc()?

Aspire, Infogain,

1118

What is the difference between NULL and NUL?

Aspire, Infogain,

1295

What is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?

Aspire, Infogain,

1129

What will the preprocessor do for a program?

Aspire, Infogain,

1077

When should a far pointer be used?

Aspire, Infogain,

1133

What do the functions atoi(), itoa() and gcvt() do?

Aspire, Infogain,

1194

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

Aspire, Infogain,

1439

Which header file should you include if you are to develop a function which can accept variable number of arguments?

TCS, TISL,

1404

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Un-Answered Questions { C }

Lists the benefits of c programming language?

1140

Can a pointer be volatile in c?

992

The difference between printf and fprintf is ?

1290

What is the use of ?: Operator?

1140

Write a program which returns the first non repetitive character in the string?

1127

What is null in c?

1096

which of the following is allowed in a "C" arithematic instruction a) [] b) {} c) () d) none of the above

1726

what is the function of pragma directive in c?

1125

Explain what is the use of a semicolon (;) at the end of every program statement?

1229

Is there any data type in c with variable size?

1103

what are # pragma staments?

2046

I need previous papers of CSC.......plz help out by posting them.......

2298

Why do we need a structure?

1042

What is ctrl c called?

1050

What are qualifiers in c?

1037

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