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C Interview Questions
Questions Answers Views Company eMail

write a prgram of swapping with 2 valiables

6 3334

Why c++ is called c++ and not c+?

EBS,

9 24029

how to set Nth bit of a variable?

1 6366

what is the output on the screen? int n; n=printf("my name is %d",printf("kiran %d",printf("kumar"))); printf("\n %d \n",n);

TCS,

4 3726

what is the output of below int n=10; (n++)++; printf("%d",n);

3 6677

why we need function pointers?

3 4108

how to find your architecture is LittleEndian or BigEndian?

1 3202

Linked list is a Linear or non linear explain if linear how it working as a non linear data structures

1298

Write a program that takes a 5 digit number and calculates 2 power that number and prints it

ABS, Accenture, HCL, Infosys, Infotech, SoftSolve, Software India, TCS, Vertex, Vimukti Technologies,

5 11651

write a program wch produces its own source code aas its output?

IonIdea,

1 5680

write a program which will count occurance of a day between two dates.

IonIdea,

1 5353

how to set Nth bit of variable by using MACRO

HCL,

3 23279

#include void main() { int a,b,c; a=b=c=1; c=++a || ++b && ++c; printf("%d\t%d\t%d",a,b,c); }

3 5403

write C code to reverse a string such that if i/p is "abc defg hij klmno pqrs tuv wxyz" and the o/p should be "cba gfed jih onmlk srqp vut zyxw"

2 3105

diff .between strcture and union

2 2657


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Un-Answered Questions { C }

What is a list in c?

151


What is the function of volatile in c language?

150


#include main() { enum _tag{ left=10, right, front=100, back}; printf("left is %d, right is %d, front is %d, back is %d",left,right,front,back); }

213


an expression contains relational operators, assignment operators, and arithmatic operstors. In the absence of parentheses, they will be evaluated in which of the following order a) assignment, relational, arithematic b) arithematic, relational, assignment c) relational, arithematic, assignment d) assignment, arithematic, relational

247


a single linked list consists of nodes a to z .print the nodes in reverse order from z to a using recursion

1865






Explain the properties of union. What is the size of a union variable

174


What is %d called in c?

161


When should a type cast not be used?

167


Can a void pointer point to a function?

116


Compare interpreters and compilers.

156


How can I dynamically allocate arrays?

144


Explain how can you tell whether two strings are the same?

162


Differentiate between calloc and malloc.

187


Explain what is the difference between functions abs() and fabs()?

165


How do I send escape sequences to control a terminal or other device?

146