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,

1953

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 3697

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

1 4534

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

TCS,

9 10246

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

TCS,

14 17287

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

Satyam,

9 12021

write program on arrays

GE, Polycab,

3 6337

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

4 7253

can we print any string without using terminator?

Infosys, TCS,

2 7899

#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 19513

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 11337

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 5765

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Un-Answered Questions { C }

Why functions are used in c?

1137

What is the difference between malloc() and calloc() function in c language?

1081

How many types of operator or there in c?

1099

If the size of int data type is two bytes, what is the range of signed int data type?

1024

Distinguish between actual and formal arguments.

1085

write a c program to print the next of a particular no without using the arithmetic operator or looping statements?

3965

Write a code to generate a series where the next element is the sum of last k terms.

1229

What are categories used for in c?

1097

What is pointer & why it is used?

1118

What is the stack in c?

1148

What is the sizeof () a pointer?

995

What is c preprocessor mean?

1316

What is the value of c?

1065

What is the purpose of & in scanf?

1075

Explain data types & how many data types supported by c?

1085

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