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 4174

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 6790

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

3 8283

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

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

71 264809

what type of questions arrive in interview over c programming?

2032

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 3141

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Un-Answered Questions { C }

Want to know how to write a C program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the total number of disk writes by MySQL.

2060

What is static and volatile in c?

1226

State the difference between x3 and x[3].

1112

Write a program on swapping (100, 50)

1129

Explain union. What are its advantages?

1081

What is data type long in c?

1078

What is union and structure in c?

1231

What are qualifiers and modifiers c?

1009

Is malloc memset faster than calloc?

1075

The difference between printf and fprintf is ?

1291

What is bubble sort in c?

1055

What are the different types of linkage exist in c?

1034

What is malloc calloc and realloc in c?

1335

how much salary u want ? why u join in our company? your domain is core sector why u prefer software ?

1990

How are structure passing and returning implemented?

1041

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