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

C Interview Questions

Questions Answers Views Company eMail

void main() { int *ptr; ptr = (int *) 0x400 ; printf("ptr=%d",ptr); } output?

1 3388

void main() { //char ch; unsigned char ch; clrscr(); for(ch =0;ch<= 127; ch++) printf(" %c= %d \t ", ch, ch); } output?

Groupon,

4 7871

#include int main() { int a[3][3][2]= {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18}; printf("%d\n",*(*(*a+1)); return 0; } What will be the output of the above question? And how?

Groupon,

1 4581

main() { static char *s[]={"black","white","yellow","voilet"}; char **ptr[]={s+3,s+2,s+1,s}, ***p; p=ptr; **++p; printf("%s",*--*++p+3); }

1 2391

i have a written test in tomorrow

NNN, Value Labs,

1 4686

Write a C program to accept a matrix of any size. Find the frequency count of each element in the matrix and positions in which they appear in the matrix

CLG,

1968

Write a function expand(s1,s2) that expands shorthand notations like a-z in the string s1 into the equivalent complete list abc...xyz in s2 . Allow for letters of either case and digits, and be prepared to handle cases like a-b-c and a-z0-9 and -a-z. z-a:zyx......ba -1-6-:-123456- 1-9-1:123456789987654321 a-R-L:a-R...L a-b-c:abbc

5572

what is software?

Wipro,

7 8412

x=y=z=1 z=++x||++y&&++z Printf("%%%d";xyz) what is the values of x,y and z?????

3 4839

write a programe to accept any two number and check the following condition using goto state ment.if a>b,print a & find whether it is even or odd and then print.and a 1894

Write a program that takes a 5 digit number and calculates 2 power that number and prints it.

Mind Tree,

1 5660

Write a C Program That Will Count The Number Of Even And Odd Integers In A Set using while loop

HP,

2123

WHAT IS THE DEFINATION OF IN TECHNOLOGY AND OFF TECHNOLOGY ?

HP,

2341

WHAT IS THE DEFINATION OF IN TECHNOLOGY AND OFF TECHNOLOGY ?

IBM,

1 3526

int a=0,b=2; if (a=0) b=0; else b=*10; What is the value of b ?

TCS,

6 15067

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Un-Answered Questions { C }

GIven a sequence of characters. How will you convert the lower case characters to upper case characters. ( Try using bit vector - sol given in the C lib -> typec.h)

1060

How to declare pointer variables?

1181

What does c mean?

988

How do we make a global variable accessible across files? Explain the extern keyword?

1842

Differentiate between a structure and a union.

1241

List some of the dynamic data structures in C?

1203

What is the use of getchar functions?

1144

How can my program discover the complete pathname to the executable from which it was invoked?

1043

Compare interpreters and compilers.

1039

Are there namespaces in c?

1069

which of the following is not a character constant a) 'thank you' b) 'enter values of p, n ,r' c) '23.56E-o3' d) all of the above

2020

please explain every phase in the "SDLC" in the dotnet.

2567

Explain what are global variables and explain how do you declare them?

1104

write a program for the normal snake games find in most of the mobiles.

2225

What are the different types of C instructions?

1266

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