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

C Interview Questions

Questions Answers Views Company eMail

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

Accenture, Wipro,

2260

Write a program that takes a 5 digit number and calculates 2 power that number and prints it(should not use big integers and exponential functions)

HCL, IBM, Satyam, Vimal, Vimukti Technologies,

2 6876

how to reverse string "Hello World" by using pointers only. Without any temp var

1 7643

What has to put when we are inserting as assembly language code into the C code? or When we are inserting as assembly language code into the C code we have to insert one thing at the start and of the assembly language. What are they?

2 4171

what is the return type of printf

3 5763

what is difference between ANSI structure and C99 Structure?

Wipro,

1 4868

struct abc { unsigned int a; char b; float r; }; struct xyz { int u; struct abc tt; }ww; ww = (struct xyz*)malloc(sizeof(struct xyz)); will the memory be allocated for the inner structure also?

Wipro,

1 6635

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

1 4052

Snake Game: This is normal snake game which you can find in most of the mobiles. You can develop it in Java, C/C++, C# or what ever language you know.

Accenture, Gridco, IBM, Kevin IT, TCS, Vimukti Technologies,

7 12494

what is the difference b/w NULL and null?

HSBC, IBM,

3 6789

void main() { int a[]={1,2,3,4,5},i; for(i=0;i<5;i++) printf("%d",a++); getch(); }

3 8280

what is the meaning of java that is (J A V A) full form of JAVA

AKS University, Bhel, BNL, BPO, HCL, Peacecon,

71 264793

what type of questions arrive in interview over c programming?

2031

main() { int i; printf("%d", &i)+1; scanf("%d", i)-1; }

1 4854

In the below code, how do you modify the value 'a' and print in the function. You'll be allowed to add code only inside the called function. main() { int a=5; function(); // no parameters should be passed } function() { /* add code here to modify the value of and print here */ }

1 3140

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Un-Answered Questions { C }

When should the const modifier be used?

1117

What is cohesion and coupling in c?

1035

What are qualifiers and modifiers c?

1009

What is realloc in c?

1115

#include int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

1724

What are the application of void data type in c?

1191

What does the c preprocessor do?

1111

write a program in c language to print your bio-data on the screen by using functions.

6789

How will you write a code for accessing the length of an array without assigning it to another variable?

1050

Which is best linux os?

1028

can anyone please tell about the nested interrupts?

2125

Can you mix old-style and new-style function syntax?

1102

write a progrmm in c language take user interface generate table using for loop?

2051

What language is lisp written in?

1269

Can a local variable be volatile in c?

994

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