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

C Interview Questions

Questions Answers Views Company eMail

How to develop software using "c" programming?

IBM, TCS,

1 10059

regarding pointers concept

1989

what will be the out put. #include void main() { printf("Output:"); printf(1+"vikashpatel"); }//output: ikashpatel

V2 Solutions,

1 4532

write an algorithm and c program to add two 2x2 matrics

2 15404

in one file global variable int i; is declared as static. In another file it is extern int i=100; Is this valid ?

NetApp,

2 6457

if function is declared as static in one source file, if I would like to use the same function in some other source file...is it possible....how ?

NetApp,

2 10800

Q. where is the below variables stored ? - volatile, static, register

Bosch,

3 13764

Is the below things valid & where it will be stored in memory layout ? static const volatile int i; register struct { } ; static register;

Bosch,

2 5314

write a program to find the frequency of a number

Infosys,

4 24908

whats the use of header file in c?

2 5313

write a c program for print your name .but,your name may be small letter mean print a capital letter or your name may be capital letter mean print a small letter .example \\enter ur name : sankar The name is: SANKAR (or) enter your name:SAnkar The name is:saNKAR

5 14811

Draw a diagram showing how the operating system relates to users, application programs, and the computer hardware ?

2537

discuss the steps needed to get a program from source code to executable in a system?

1 4726

Why Modern OS are interrupt driven?Give an example

3 26277

Taking an example,differentiate b/w loader and linker ?

1 5325

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Un-Answered Questions { C }

write a program using linked list in which each node consists of following information. Name[30] Branch Rollno Telephone no i) Write the program to add information of students in linked list

2755

Why c is faster than c++?

990

What is an array in c?

1010

What does d mean?

1029

What is the general form of #line preprocessor?

960

how can use subset in c program and give more example

1947

Is javascript based on c?

1013

Explain what is #line used for?

1019

What are the advantages of using macro in c language?

1086

Why is c so powerful?

1075

How can I read data from data files with particular formats?

1011

What are the differences between Structures and Arrays?

1152

Explain how can I convert a number to a string?

1119

Give a one-line C expression to test whether a number is a power of 2. [No loops allowed - it's a simple test.]

1038

Explain the Difference between the New and Malloc keyword.

1093

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