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

C Interview Questions

Questions Answers Views Company eMail

What is ambagious result in C? explain with an example.

Infosys,

2695

Derive the complexity expression for AVL tree?

1 4253

what is difference between declaring the pointer as int and char in c language?

3 13643

wt is diference between int and int pointer as same as float and float pointer and char and char pointer

CTS, Infosys,

8 13775

write a c program to change only the 3rd bit of the particular number such that other bits are not affected.. if bitnum=10(say.. it can be any no..

Bosch, Mind Tree,

10 31435

What is key word in c language?

ABC,

4 10321

write the output of following code .. main() { static int a[]={10,20,30,40,50}; int *ptr=a; static int arr[2][2]={1,2,3,4}; char str[]="ABCD * 4#"; char *s=str+2; int i,j; for(i=0;i<5,i++) printf("%d",*ptr++); for(i=0;i<2;i++) for(j=0;j<2;j++) printf("%d\n",*(*(n+i)+j)); printf("%c\n%c\n%c\n",*(str+2),*s++,*--s); }

1 4349

what is c programing

Wipro,

11 15741

how to swap two nubers by using a function with pointers?

1 4282

Write a c program to Find the name that you entered is male name or female name? Such as Sunjay is name of male and Payal is name of female

Infosys, Luminous,

5 20749

swapping of two numbers without using third variable using AND and OR operators

2 7580

why integer range between -327680to+32767

2 9501

Write c-code for 5+55+555+5555+55555+555555+5555555. Output will be it's answer...

TCS,

4 25416

main() { int i=5; printf("%d%d%d%d",i++,i--,i); }

10 13628

main() { int i=0; while(+(+i--)!=0) i-=i++; printf(i); }

3 5297

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Un-Answered Questions { C }

How can I trap or ignore keyboard interrupts like control-c?

1116

Explain how do you list files in a directory?

1113

How do you generate random numbers in C?

1246

What are extern variables in c?

1036

What are pointers really good for, anyway?

1117

What is the use of ?: Operator?

1185

Tell us two differences between new () and malloc ()?

1275

a way in which a pointer stores the address of a pointer which stores the value of the target value a) reference b) allocation c) multiple indirection d) none

1209

How can I read/write structures from/to data files?

1014

Study the following C program :call_me (myvar)int myvar;{ myvar +- 5; }main(){int myvar;myvar = 3;call_me(myvar);printf("%d ",myvar);What will be printed a) 3 b) 5 c) 8 d) symbol

1170

What are the similarities between c and c++?

1140

What are the properties of union in c?

1111

Can a program have two main functions?

1176

we need to calculating INCOME TAX for the person. The INCOME TAX is as follows:- First $10000/- of income : 4% tax Next $10000/- of income : 8% tax Next $10000/- of income : 11.5% tax above $10, 00,00/- : 15% tax What is the Solution of this Question ?

1316

What is hashing in c language?

1422

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