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

C Interview Questions

Questions Answers Views Company eMail

What is Bitwise Operator and how it works?

1 3917

is assignment operator is arithmatic or not

Infosys,

3 5793

What is the difference between test design and test case design?

2048

void main() { static int i = 5; if(--i) { main(); printf("%d ",i); } } what would be output of the above program and justify your answer? }

C DAC, CDAC, Infosys, Wipro,

5 30854

enum DAY { sunday, monday, tuesday }; enum EDAYS { friday, saturday, sunday }; void main() { int i =0; if( i == sunday) { printf("%d",i); } } what would be the output?

TCS,

4 8018

int main() { int x = (2,3,4); int y = 9,10,11; printf("%d %d",x,y); } what would be the output?

Parimal, Wipro,

7 12189

WRITE A C PROGRAM FOR PRINT "RHOMBUS" STRUCTURE . Example: Enter the numbers :3 * * * * * * * *

Infosys, TCS,

3 16181

Why can't we initialise member variable of a strucutre

1 3413

what is bit rate & baud rate? plz give wave forms

1924

what are bps & baud rates? differentiate these two?

TCS,

2 5061

write a program that eliminates the value of mathematical constant e by using the formula e=1+1/1!+1/2!+1/3!+

Reliance,

1 4464

write a c program to calculate the income tax of the employees in an organization where the conditions are given as. (I.T. = 0 if income <100000 I.T = 10% if income _< 200000 it = 20% if income >_ 200000)

Consultancy, DBU, FD, JK Associates, Kobe, Satyam,

7 88830

write a program to create a sparse matrix using dynamic memory allocation.

4855

What are the different types of pointers?

HCL, TCS,

4 8176

in a town the percentage of men is 52 the percentage of total literacy is 48 if total percentage of literate men is 35 of the total population write a program to find the total no of the literate men and women if the population of the town is 80000

3 26186

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Un-Answered Questions { C }

How can a program be made to print the line number where an error occurs?

1048

What is a file descriptor in c?

1068

I have a varargs function which accepts a float parameter?

1009

How do you define CONSTANT in C?

1219

any restrictions have on the number of 'return' statements that may be present in a function. a) no restriction b) only 2 return statements c) only 1 return statements d) none of the above

1102

What is the use of void pointer and null pointer in c language?

1086

What are the types of bitwise operator?

1060

difference between Low, Middle, High Level languages in c ?

2039

explain what are actual arguments?

1042

What are runtime error?

1094

How can I send mail from within a c program?

1000

What are global variables and how do you declare them?

1030

Explain high-order and low-order bytes.

1058

Does c have class?

1060

In c language can we compile a program without main() function?

1079

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