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

2367

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

5957

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

4 7807

Please provide question papers of NATIONAL INFORMATICS CENTRE for Scientific officer

2955

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

2398

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 21317

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 20213

do you think its fraud or original company?

2045

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

3 26649

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

Infosys,

7 12753

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

TCS,

4 12497

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 8340

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 11101

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

4 7332

What should not contain a header file?

2 4792

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Un-Answered Questions { C }

Explain what is the stack?

1105

What is the difference between constant pointer and constant variable?

1227

Can a pointer be static?

1087

What is the general form of function in c?

1022

What is the data segment that is followed by c?

1092

What is wrong with this code?

1187

What are 'near' and 'far' pointers?

1045

When can a far pointer be used?

1027

What is the purpose of void in c?

1070

How do you use a pointer to a function?

1088

What is a pragma?

1131

write a proram to reverse the string using switch case?

2950

Why do we use return in c?

1006

What are the rules for identifiers in c?

1073

What is calloc in c?

1145

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