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

C Interview Questions

Questions Answers Views Company eMail

Write a program to display all the prime nos from 1 to 1000000, your code should not take time more than a minute to display all the nos.

2079

Can you think of a logic behind the game minesweeper.

2469

Why is it important to memset a variable, immediately after allocating memory to it ?

2077

What is output of the following program ? main() { i = 1; printf("%d %d %d\n",i,i++,i++); }

CTS, Wipro,

9 9842

using for loop sum 2 number of any 4 digit number in c language

2349

write an algorithm to display a square matrix.

2711

How will you allocate memory to a double pointer ?

2 4747

how do you programme Carrier Sense Multiple Access

1969

how can make variable not in registers

TCS,

1 3140

what is d pitfalls of registers variables

TCS,

3 5405

what is the hardware model of CFG( context free grammar)

Microsoft,

2722

Define a structure to store the record of library. The record must consist of at least following fields: Title, Author, Edition, Price, Publisher, and Category. -Define functions authorSearch ( ), TitleSearch ( ) and CategorySearch ( ) to search a book with respect to author, title and category. [There can be more than one book, written by one author, in one category]

2 5149

what is bitwise operator?

IBM,

1 3572

what is c?

IBM, TCS,

4 6034

write a program to print data of 5 five students with structures?

2048

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Un-Answered Questions { C }

Is it cc or c in a letter?

1026

What are the types of variables in c?

1022

What is wrong with this statement? Myname = 'robin';

1327

Is flag a keyword in c?

1155

WRITE A PROGRAM TO MERGE TWO SORTED ARRAY USING MERGE SORT TECHNIQUE..

2076

How do I use void main?

1091

c programs are converted into machine language with the help of a) an interpreter b) a compiler c) an operatinf system d) none of the above

1262

Linked lists -- can you tell me how to check whether a linked list is circular?

1091

How can I change their mode to binary?

1121

What does %p mean c?

1073

what are the advanced features of functions a) function declaration and prototypes b) calling functions by value or by reference c) recursion d) all the above

1124

What are different types of pointers?

1075

What does %d do?

1279

What is a void pointer in c?

1111

Why can't I perform arithmetic on a void* pointer?

1100

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