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

C Interview Questions

Questions Answers Views Company eMail

create an SINGLE LINKED LISTS and reverse the data in the lists completely

3 5841

hi , please send me NIC written test papers to sbabavalli@gmail.com

NIC,

1958

Can u please send me the exam pattern and also Previous papers to javed123go@gmail.com

1899

how to print value of e(exp1)up to required no of digits after decimal?

1 3703

writw a program to insert an element in the begning of a doubly linked list

1 4541

main() { int arr[5]={23,67}; printf("%d%d%d",arr[2],arr[3],arr[4]); }

TCS,

9 10265

main() {int a=200*200/100; printf("%d",a); }

TCS,

14 17326

main() { float a=3.2e40; printf("%d",a); }

Satyam,

9 12051

write program on arrays

GE, Polycab,

3 6348

HOW TO ANSWER IF ASKED " WHAT KIND OF A PERSON ARE YOU?" I NEED AN ANSWER THAT IMPRESS THE INTERVIEWER

4 7260

can we print any string without using terminator?

Infosys, TCS,

2 7904

#include int fun(); int i; int main() { while(i) { fun(); main(); } printf("hello \n"); return 0; } int fun() { printf("hi"); } answer is hello.how??wat is tat while(i) mean?

Intel,

7 19528

wat is the difference between a definition and declaration? float y;---it looks like a declaration..but it s a definition.how?someone explain

TCS,

3 11344

void main() { int s[4][2]={ {1234,56},{1212,33},{1434,80},{1312,78} }; int (*p)[2]; int i,j,*pint; for(i=0;i<=3;i++) { p=&s[i]; pint=p; printf("\n"); for(j=0;j<=1;j++) printf("%d",*(pint+j)); } } while running this program it shows a warning-suspicious pointer conversion ie pint=p; my que is why should we assign the value of p to pint again.why cant we use it directly as *(p+j)..but if i use like tat the o/p is garbage value..

1 7154

void main() {int a[5],i,b=16; for(i=0;i<5;i++) a[i]=2*i; f(a,5,b); for(i=0;i<5;i++) printf("\n %d",a[i]); printf("\n %d",b); } f(int *x,int n,int y) { int i; for(i=0;i

TCS,

2 5773

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Un-Answered Questions { C }

What is the easiest sorting method to use?

1176

When should you use a type cast?

1129

What is c method?

999

Can you write the function prototype, definition and mention the other requirements.

1137

Explain what is the difference between far and near ?

1112

Why is c platform dependent?

1092

How do you convert strings to numbers in C?

1230

What is realloc in c?

1115

Is it acceptable to declare/define a variable in a c header?

1127

Can we increase size of array in c?

971

What is the difference between volatile and const volatile?

990

What are the different properties of variable number of arguments?

1164

What is a loop?

1059

The performance of an operation in several steps with each step using the output of the preceding step a) recursion b) search c) call by value d) call by reference

1229

What is sizeof array?

1060

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