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

C Interview Questions

Questions Answers Views Company eMail

How to reverse a linked list

Aricent, Fidelity, IBM, TCS,

1 6789

1. Write a C program to count the number of occurrence of a specific word in the given strings. (for e.g. Find how many times the word “live” comes in the sentence “Dream as if you’ll live forever, live as if you’ll die today ”)

Eskom, TCS,

12 76890

write a c program to store and print name,address,roll.no of a student using structures?

7 71838

Write a C program to remove the repeated characters in the entered expression or in entered characters(i.e) removing duplicates

3 9237

Reverse the bit order in a single macro. eg. i/p = 10010101 --> o/p = 10101001

2 6696

implement NAND gate logic in C code without using any bitwise operatior.

Alcatel,

4 33227

implement OR gate without using any bitwise operator.

Alcatel, Wipro,

1 5980

Is the below things valid & where it will be stored in memory layout ? static const volatile int i; register struct { } ; static register;

Lucent,

2 5587

in one file global variable int i; is declared as static. In another file it is extern int i=100; Is this valid ?

Infosys, NetApp,

4 8749

what is difference between C and C++

4 7788

which is faster execution: loops or recursion?

3 7339

#include #include void main() {clrscr(); char another='y'; int num; for(;another=='y';) { printf("Enter a number"); scanf("%d",&num); printf("squre of %d is %d",num,num*num); printf("\nwant to enter another number y/n"); scanf("%c",&another); } getch(); } the above code runs only one time.on entering 'y' the screen disappeares.what can i do?

3 8018

Simplify the program segment if X = B then C ← true else C ← false

1 3096

what is computer

4 6346

we compile c program in 32 processor and 64 bit processor .exe file is created in both the processors. if we want to run .exe file in 64 bit processor which is created in 32 bit processor. is that .exe file is run or not if it is not run why?

HP, Wipro,

4 8725

Post New C Questions

Un-Answered Questions { C }

Can a function be forced to be inline? Also, give a comparison between inline function and the C macro?

1171

will u please send me the placement papers to my mail???????????????????

1905

What is the general form of a C program?

1088

What is pointer to pointer in c with example?

1184

What is pointers in c with example?

1153

What are compound statements?

1269

Differentiate between null and void pointers.

1250

How can I implement sets or arrays of bits?

1109

what is associativity explain what is the precidence for * and & , * and ++ how the folloing declaration work 1) *&p; 2) *p++;

2723

develop algorithms to add polynomials (i) in one variable

2249

what is associativity explain what is the precidence for * and & , * and ++ how the folloing declaration work 1) *&p; 2) *p++;

2506

List at least 10 sorting methods indicating their average case complexity, worst case complexity and best case complexity.

2808

Is int a keyword in c?

1052

write a c program to find the sum of five entered numbers using an array named number

2229

What are pointers? What are different types of pointers?

1251

For More Un-Answered { C } Questions Click Here