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

C Interview Questions

Questions Answers Views Company eMail

C program to read the integer and calculate sum and average using single dimensional array

1599

main() { char ch='356'; Printf("%d",ch); } *OUTPUT*:- -18 *Why?*

1 2540

4. main() { int c=- -2; printf("c=%d",c); }

1 2002

Write a program to print the following series 2 5 11 17 23 31 41 47 59 ...

2 14092

void main(){ int a; a=1; while(a-->=1) while(a-->=0); printf("%d",a); }

1666

In which layer of the network datastructure format change is done

Honeywell,

1836

write a c program for swapping two strings using pointer

2567

cavium networks written test pattern ..

Cavium Networks,

4026

my project name is adulteration of chille powder.how can i explain it to the hr when he asks me about the project?

1527

what is used instead of pointers in java than c?

Vuram,

1 3529

#include int main(){ int a[]={1,2,3,5,1}; int *ptr=a+4; int y=ptr-a; printf("%d",y); }

Zoho,

3 6910

Write a program to generate the first n terms in the series --- 2,3,5,7,11,...,17

2955

main() { char p[] = "hello world!"; p = "vector"; printf("%s",p); }

Vector, Vector India,

2 12501

#include int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

1677

print pattern 1 1 33 33 555 555 77777777 555 555 33 33 1 1

Winit,

1 8336

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Un-Answered Questions { C }

What is the difference between void main and main in c?

1096

How can I get back to the interactive keyboard if stdin is redirected?

1134

Is it possible to initialize a variable at the time it was declared?

1172

What is the difference between array and pointer in c?

1089

how is the examination pattern?

1965

Do you know the use of fflush() function?

1011

Which is better pointer or array?

973

What is a rvalue?

1139

Write a program to identify if a given binary tree is balanced or not.

1091

What is infinite loop?

1028

a way in which a pointer stores the address of a pointer which stores the value of the target value a) reference b) allocation c) multiple indirection d) none

1089

Do pointers store the address of value or the actual value of a variable?

1020

Explain how can I avoid the abort, retry, fail messages?

989

What's the right way to use errno?

1086

What are the advantages of c preprocessor?

1209

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