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 6764

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 76722

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

7 71731

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

3 9172

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

2 6660

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

Alcatel,

4 33117

implement OR gate without using any bitwise operator.

Alcatel, Wipro,

1 5951

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

Lucent,

2 5530

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 8681

what is difference between C and C++

4 7710

which is faster execution: loops or recursion?

3 7273

#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 7965

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

3065

what is computer

4 6275

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 8672

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Un-Answered Questions { C }

Who is the founder of c language?

1222

Why isn't it being handled properly?

1119

How macro execution is faster than function ?

1247

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

2487

What is the difference between variable declaration and variable definition in c?

1104

write a program in C that prompts the user for today's date,tomorrow's date and display the results.Use structures for today's date,tomorrow's date and an array to hold the days for each month of the year.

5500

how do you write a function that takes a variable number of arguments? What is the prototype of printf () function?

1981

to print the salary of an employee according to follwing calculation: Allowances:HRA-20% of BASIC,DA-45% of BASIC,TA-10%. Deductions:EPF-8% of BASIC,LIC-Rs.200/-Prof.Tax:Rs.200/- create c language program?

2248

Explain logical errors? Compare with syntax errors.

1126

Is c is a procedural language?

1130

what is the diffrenet bettwen HTTP and internet protocol

1883

develop algorithms to add polynomials (i) in one variable

2236

What do you mean by a sequential access file?

1134

What is sorting in c plus plus?

1025

How can I recover the file name given an open stream or file descriptor?

1140

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