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 3702

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

1 4540

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

TCS,

9 10258

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

TCS,

14 17319

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

Satyam,

9 12047

write program on arrays

GE, Polycab,

3 6342

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

4 7257

can we print any string without using terminator?

Infosys, TCS,

2 7903

#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 19523

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 11342

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 5771

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Un-Answered Questions { C }

What are the preprocessor categories?

1064

Why do we use return in c?

1004

What is bss in c?

1104

printf(), scanf() these are a) library functions b) userdefined functions c) system functions d) they are not functions

1160

What is queue in c?

1103

Explain what are header files and explain what are its uses in c programming?

1159

What is pragma in c?

1219

What would happen to X in this expression: X += 15; (assuming the value of X is 5)

1952

Explain the bubble sort algorithm.

1072

an expression contains relational operators, assignment operators, and arithmatic operstors. In the absence of parentheses, they will be evaluated in which of the following order a) assignment, relational, arithematic b) arithematic, relational, assignment c) relational, arithematic, assignment d) assignment, arithematic, relational

1316

What is a nested formula?

1159

Write a program to print all permutations of a given string.

1200

When c language was developed?

1062

What is wild pointer in c?

1076

What is #include conio h?

1002

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