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

C Interview Questions

Questions Answers Views Company eMail

What are the different pointer models in c?

4 6600

What is sparse file?

1 5162

How to set a variable in the environment list?

1 4910

How to reverse a string using a recursive function, without swapping or using an extra memory?

Cisco, Mind Tree, Motorola, Ophio, Sony, TCS, Wipro,

31 103573

What is the Difference between Class and Struct?

Motorola,

10 13835

What is the Difference between Macro and ordinary definition?

Bosch, Cognizant, College School Exams Tests, Motorola,

3 26560

what are brk, sbrk?

Oracle,

1 7972

Why the use of alloca() is discouraged?

Oracle,

2 8511

Will Macros support multiple arguments ?

Oracle,

7 11981

what about "char *(*(*a[])())();"

Oracle,

3 6682

Go through the following code sinippet char a[20]; a="Hello Orcale Test"; will this compile?

Oracle,

4 9306

#include #define sqr(x) (x*x) int main() { int x=2; printf("value of x=%d",sqr(x+1)); } What is the value of x?

Accel Frontline, Opera, Oracle,

16 32262

1 232 34543 4567654 can anyone tell me how to slove this c question

6 20472

Determine the code below, tell me exactly how many times is the operation sum++ performed ? for ( i = 0; i < 100; i++ ) for ( j = 100; j > 100 - i; j--) sum++;

ITCO, Wipro,

5 9662

int main() { int *p=new int; *p=10; del p; cout<<*p; *p= 60; cout<<*p; } what will be the output & why?

TCS,

4 12735

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Un-Answered Questions { C }

I was asked to write a program in c which when executed displays how many no.of clients are connected to the server.

2372

Why do we use static in c?

1137

explain what is an endless loop?

1094

What are all different types of pointers in c?

1012

Write a C program to accept a matrix of any size. Find the frequency count of each element in the matrix and positions in which they appear in the matrix

2008

What is a good data structure to use for storing lines of text?

1086

console I/O functions means a) the I/O operations done on disk b) the I/O operations done in all parts c) the input given through keyboard is displayed VDU screen d) none of the above

1179

Write a program that accept anumber in words

1761

Why & is used in scanf in c?

1102

How variables are declared in c?

1043

What is scope rule of function in c?

1099

What is logical error?

1126

What are header files in c?

1080

explain how do you use macro?

1160

How are pointers declared in c?

1062

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