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

C Interview Questions

Questions Answers Views Company eMail

Determine the result of performing two successive block transfers into the same area of a frame buffer using the binary arith operations

2420

Device an algorithm for weiler-atherton polygon clipping, where the clipping window can be any specified polygon

6024

dennis ritchie invented C language in AT&T bell laboratory what is the extension of AT&T?

4 7982

Please provide question papers of NATIONAL INFORMATICS CENTRE for Scientific officer

2994

i need all types of question paper releted to "c" and other language.

2445

what is the output of the following program? #include void main() { float x=1.1; while(x==1.1) { printf("\n%f",x); x=x-0.1; } }

6 21535

what is the output of the following program? #include void main() { int x=4,y=3,z; z=x-- -y; printf("\n%d %d %d",x,y,z); }

14 20644

do you think its fraud or original company?

2111

what is the output of the following code? main() { int I; I=0x10+010+10; printf("x=%x",I); } give detailed reason

3 26806

Can we include one C program into another C program if yes how?

Infosys,

7 12998

What is the difference between constant pointer and pointer to a constant. Give examples.

TCS,

4 12690

what is the output of the following program? main() { int c[]={2,8,3,4,4,6,7,5}; int j,*p=c,*q=c; for(j=0;j<5;j++) { printf("%d",*c); ++q; } for(j=0;j<5;j++) { printf("%d",*p); ++p; } }

4 8502

what is the output of the following program? main() { int i=-1,j=-1,k=0,l=2,m; m=i++&&j++&&k++||l++; printf("%d %d %d %d %d",i,j,k,l,m); }

7 11304

In the following control structure which is faster? 1.Switch 2.If-else and which consumes more memory?

4 7513

What should not contain a header file?

2 4892

Post New C Questions

Un-Answered Questions { C }

Can we change the value of static variable in c?

1080

What are the types of operators in c?

1112

the question is that what you have been doing all these periods (one year gap)

2145

Does c have circular shift operators?

1304

Is it better to use a macro or a function?

1213

Write a code to generate divisors of an integer?

1107

Write a program to replace n bits from the position p of the bit representation of an inputted character x with the one's complement. Method invertBit takes 3 parameters x as input character, p as position and n as the number of positions from p. Replace n bits from pth position in 8 bit character x. Then return the characters by inverting the bits.

4263

What are preprocessor directives in c?

1158

When should volatile modifier be used?

1079

Where register variables are stored in c?

1006

When the macros gets expanded?

1492

What is malloc calloc and realloc in c?

1432

What is a macro, and explain how do you use it?

1128

How to throw some light on the b tree?

1158

Difference between linking and loading?

1159

For More Un-Answered { C } Questions Click Here