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

1702

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

1 2669

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

1 3138

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

2 14343

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

1783

In which layer of the network datastructure format change is done

Honeywell,

1940

write a c program for swapping two strings using pointer

2681

cavium networks written test pattern ..

Cavium Networks,

4138

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

1644

what is used instead of pointers in java than c?

Vuram,

1 3686

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

Zoho,

3 7167

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

3065

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

Vector, Vector India,

2 12730

#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

1771

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

Winit,

1 8528

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Un-Answered Questions { C }

What are comments and how do you insert it in a C program?

1299

What is s in c?

1094

What is the benefit of using #define to declare a constant?

1145

What does void main return?

1193

Tell us two differences between new () and malloc ()?

1272

Explain what is the most efficient way to store flag values?

1270

struct screen_pos{ int row, col } ;move_right(cursor)struct screen_pos *cursor;{ cursor.col++; } /* This statementhas a syntax error */What is the correct statement a) cursor.col = cursor.col + 1; b) col.cursor++; c) *cursor.col++; d) pointer

1342

I have written a pro*C program to fetch data from the cursor. where in i have used the concept of BULK FETCH.... each FETCH statement is taking lots of time to fetch specified number of rows at...

10244

What are the loops in c?

1046

When we use void main and int main?

1125

What’s a signal? Explain what do I use signals for?

1156

How do I create a directory? How do I remove a directory (and its contents)?

1214

Differentiate between the = symbol and == symbol?

1360

What does %c do in c?

1049

Explain about the functions strcat() and strcmp()?

1092

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