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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

1415

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

4803

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

4 4835

Please provide question papers of NATIONAL INFORMATICS CENTRE for Scientific officer

2036

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

1512

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 12797

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 12041

do you think its fraud or original company?

1066

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

3 15521

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

Infosys,

7 8595

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

TCS,

4 9625

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 5216

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 6884

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

4 4207

What should not contain a header file?

2 2901


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Un-Answered Questions { C }

How can a program be made to print the name of a source file where an error occurs?

161


Write a program to reverse a given number in c language?

149


What is the use of sizeof?

124


What does sizeof return c?

104


Explain what are the __date__ and __time__ preprocessor commands?

150






What is a pointer variable in c language?

157


what is the significance of static storage class specifier?

1183


What are header files? What are their uses?

162


What is #line?

147


What is a void * in c?

114


Find duplicates in a file containing 6 digit number (like uid) in O (n) time.

500


What is the use of getchar() function?

149


Can we replace the struct function in tree syntax with a union?

187


How can I dynamically allocate arrays?

142


Can true be a variable name in c?

105