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

1659

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

1 2612

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

1 2747

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

2 14232

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

1727

In which layer of the network datastructure format change is done

Honeywell,

1890

write a c program for swapping two strings using pointer

2633

cavium networks written test pattern ..

Cavium Networks,

4083

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

1590

what is used instead of pointers in java than c?

Vuram,

1 3621

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

Zoho,

3 7062

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

3015

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

Vector, Vector India,

2 12626

#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

1724

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

Winit,

1 8453

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Un-Answered Questions { C }

Explain Basic concepts of C language?

1160

write a program that reads lines(using getline), converts each line to an integer using atoi, and computes the average of all the numbers read. also compute the standard deviation.

2529

How can I open files mentioned on the command line, and parse option flags?

1071

What do the functions atoi(), itoa() and gcvt() do?

1191

Explain how do you declare an array that will hold more than 64kb of data?

1455

i = 25;switch (i) {case 25: printf("The value is 25 ");case 30: printf("The value is 30 "); When the above statements are executed the output will be : a) The value is 25 b) The value is 30 c) The value is 25 The value is 30 d) none

1071

What is c programing language?

1087

When should volatile modifier be used?

1013

What is unsigned int in c?

1005

Where are some collections of useful code fragments and examples?

1164

Can we access the array using a pointer in c language?

1050

Explain is it valid to address one element beyond the end of an array?

1218

What is a stream water?

1220

How do I determine whether a character is numeric, alphabetic, and so on?

1136

What is extern storage class in c?

999

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