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 5837

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

1896

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

1 3692

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

1 4529

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

TCS,

9 10236

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

TCS,

14 17270

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

Satyam,

9 12002

write program on arrays

GE, Polycab,

3 6336

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

4 7247

can we print any string without using terminator?

Infosys, TCS,

2 7895

#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 19510

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 11336

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 7152

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 5764

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Un-Answered Questions { C }

What are the c keywords?

1203

write a c program to find the sum of five entered numbers using an array named number

2140

p*=(++q)++*--p when p=q=1 while(q<=6)

1761

Is it valid to address one element beyond the end of an array?

1173

which type of aspect you want from the student.

2162

write a c program to do the following: a) To find the area of a triangle. b) To convert the temperature from Fahrenheit to Celsius. c) To convert the time in hours : minutes : seconds to seconds.

1994

What is the difference between memcpy and memmove?

1016

Write a program in c to replace any vowel in a string with z?

1125

Differentiate between #include<...> and #include '...'

1052

What do you mean by dynamic memory allocation in c?

1105

a value that does not change during program execution a) variabe b) argument c) parameter d) none

1236

Explain what are multibyte characters?

1194

Why malloc is faster than calloc?

1065

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

1081

What is maximum size of array in c?

1042

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