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

5956

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

4 7806

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 20201

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 26647

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

Infosys,

7 12750

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

TCS,

4 12494

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 8338

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 11099

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

4 7331

What should not contain a header file?

2 4791

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Un-Answered Questions { C }

find the sum of two matrices and WAP for it.

1140

What is 'bus error'?

1155

What are the types of assignment statements?

1066

What is a class c rental property?

1101

find the output? void r(int a[],int c, int n) { if(c>n) { a[c]=a[c]+c; r(a,++c,n); r(a,++c,n); } } int main() { int i,a[5]={0}; r(a,0,5); for(i=0;i<5;i++) printf("\n %d",a[i]); getch(); }

2313

Why is c called "mother" language?

1294

How to compare array with pointer in c?

1107

Explain what are global variables and explain how do you declare them?

1171

Why do we need volatile in c?

1170

Explain what is a pragma?

1049

What is signed and unsigned?

1067

Explain enumerated types in c language?

1052

Difference between Shallow copy and Deep copy?

2026

What is static volatile in c?

1024

What is the function of this pointer?

1344

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