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

C Interview Questions

Questions Answers Views Company eMail

Why doesn't C support function overloading?

2 2113

Why n++ execute faster than n+1 ?

2 2276

What are the advantages of Macro over function?

1 1582

What is the difference between struct and union in C?

1 857

What is call by reference in functions?

1 856

What is pass by reference in functions?

512

What is a memory leak? How to avoid it?

1 847

What is Dynamic memory allocation in C? Name the dynamic allocation functions.

1 898

What is typedef?

1 965

Why is it usually a bad idea to use gets()? Suggest a workaround.

1 1327

What are dangling pointers? How are dangling pointers different from memory leaks?

1 899

What is the difference between ‘g’ and “g” in C?

1 3383

Add Two Numbers Without Using the Addition Operator

544

Subtract Two Number Without Using Subtraction Operator

552

Multiply an Integer Number by 2 Without Using Multiplication Operator

522

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Un-Answered Questions { C }

What are 'near' and 'far' pointers?

798

What is the use of pragma in embedded c?

766

What is the purpose of type declarations?

863

What is the difference between c and python?

791

What is a sequential access file?

829

How does normalization of huge pointer works?

861

Give differences between - new and malloc() , delete and free() ?

823

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

826

how to introdu5ce my self in serco

1718

What are the advantages of the functions?

840

Can a function be forced to be inline? Also, give a comparison between inline function and the C macro?

858

The performance of an operation in several steps with each step using the output of the preceding step a) recursion b) search c) call by value d) call by reference

902

What language is windows 1.0 written?

769

What are lookup tables in c?

733

Write a program to check armstrong number in c?

846

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