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.

2125

Can you think of a logic behind the game minesweeper.

2520

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

2131

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

CTS, Wipro,

9 10138

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

2415

write an algorithm to display a square matrix.

2758

How will you allocate memory to a double pointer ?

2 4831

how do you programme Carrier Sense Multiple Access

2010

how can make variable not in registers

TCS,

1 3209

what is d pitfalls of registers variables

TCS,

3 5524

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

Microsoft,

2769

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 5228

what is bitwise operator?

IBM,

1 3642

what is c?

IBM, TCS,

4 6183

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

2086

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Un-Answered Questions { C }

how to construct a simulator keeping the logical boolean gates in c

2302

What is meant by inheritance?

1151

What is default value of global variable in c?

1047

Create a structure to specify data on students given below: Roll number, Name, Department, Course, Year of joining Assume that there are not more than 450 students in the college. 1.write a function to print names of all students who joined in a particular year 2.write a function to print the data of a student whose roll number is given

3124

What is the maximum length of an identifier?

1231

What does %p mean?

1154

What is a keyword?

1217

What are # preprocessor operator in c?

1169

what type of questions arrive in interview over c programming?

2081

what is recursion in C

1116

What is difference between structure and union in c programming?

1174

Why is c platform dependent?

1137

How is actual parameter different from the formal parameter?

1059

Explain 'far' and 'near' pointers in c.

1186

Why void main is used in c?

1102

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