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

C Interview Questions

Questions Answers Views Company eMail

write a prgram of swapping with 2 valiables

6 7104

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

EBS,

9 31649

how to set Nth bit of a variable?

1 8159

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 6799

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

3 10419

why we need function pointers?

3 6677

how to find your architecture is LittleEndian or BigEndian?

1 4743

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

2234

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 16080

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

IonIdea,

1 7523

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

IonIdea,

1 6930

how to set Nth bit of variable by using MACRO

HCL,

3 27231

#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 9912

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 5603

diff .between strcture and union

2 4610

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Un-Answered Questions { C }

The % symbol has a special use in a printf statement. Explain how would you place this character as part of the output on the screen?

1271

Explain what is page thrashing?

1163

What are the loops in c?

1056

Do pointers need to be initialized?

1165

write a program fibonacci series and palindrome program in c

1099

How do I use void main?

1149

while initialization of array why we use a[][2] why not a[2][]...?

2404

Why cant I open a file by its explicit path?

1086

How are Structure passing and returning implemented by the complier?

1234

What is binary tree in c?

1139

Is flag a keyword in c?

1220

Explain what are reserved words?

1163

What are the types of pointers?

1193

Explain how do you print only part of a string?

1283

What is the meaning of ?

1086

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