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

C Interview Questions

Questions Answers Views Company eMail

what is the difference between. system call and library function?

CDAC, Satyam,

2 20440

struct ptr { int a; char b; int *p; }abc; what is d sizeof structure without using "sizeof" operator??

Verifone,

9 16014

what is diff b/w huge & far & near pointer??

HCL,

1 4409

write a function for strtok()??

Verifone,

2 10286

what is the output of the following program and explain the answer #include exp() { main(5) } main(int a) { printf("%d",a); return; }

Satyam,

3 7162

what is difference b/w extern & volatile variable??

Teleca,

6 15127

what is the differnce between programing langauge and tool? is sas is a programing langauge r tool?

Gamesa, Satyam,

2384

design and implement a program that reads floating-points numbers in a sentinel-controlled loop until the user terminates the program by entering zero.your program should determinate and print the smallest,largest and average of the supplied numbers.

2 6182

i want to have a program to read a string and print the frequency of each character and it should work in turbo c

Persistent, Wipro,

3 9242

here is a link to download Let_Us_C_-_Yashwant_Kanetkar

Microsoft,

3 11296

How do you write a program which produces its own source code as its output?

2 5593

what is the importance of spanning tree?

2031

How to reverse a string using a recursive function, with swapping?

5 8938

How to Clear last bit if it 1 using Macro TURN_OFF_BIT_LAST

Adobe, Huawei,

6 11754

what is pointer

TCS,

1 5082

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Un-Answered Questions { C }

Write a code to generate divisors of an integer?

1067

Is this program statement valid? INT = 10.50;

1149

What is the use of a ‘’ character?

1091

Why is c not oop?

978

What is the heap?

1218

main use of recursive function a) processing speed high b) reduce program length/reduce repeated statements c) if you do not, use iterative methods like, for, while or do-while d) all the above

1092

Write a program for finding factorial of a number.

1087

What does d mean?

1088

What is a spanning Tree?

1587

Between macros and functions,which is better to use and why?

2222

Explain what are compound statements?

1061

Explain what is the difference between functions abs() and fabs()?

1185

Hai,I have done with my bachelor of commerce and planing to ms,please suggest me how to convince vo for shifting from commerce to computers. Visa on 8 DEC 2014 Npu university

2044

What are keywords in c with examples?

1087

Why clrscr is used after variable declaration?

1689

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