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 6702

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 76371

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

7 71506

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

3 9063

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

2 6561

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

Alcatel,

4 32928

implement OR gate without using any bitwise operator.

Alcatel, Wipro,

1 5896

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

Lucent,

2 5437

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 8543

what is difference between C and C++

4 7565

which is faster execution: loops or recursion?

3 7136

#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 7855

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

3025

what is computer

4 6158

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 8570

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Un-Answered Questions { C }

What is variables in c?

1057

hello freinds next week my interview in reliance,nybody has an idea about it intervew questions..so tell

2182

Give differences between - new and malloc() , delete and free() ?

1105

How can I read and write comma-delimited text?

1078

Can we increase size of array in c?

975

Not all reserved words are written in lowercase. TRUE or FALSE?

1239

All technical questions

1998

Why doesnt the call scanf work?

1203

What is difference between far and near pointers?

1060

When should a type cast be used?

1027

What are header files and explain what are its uses in c programming?

1136

What are the types of data files?

1209

What is the purpose of macro in C language?

1127

What are conditional operators in C?

1108

What is pointer to pointer in c with example?

1083

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