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 6875

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 4170

what is the return type of printf

3 5763

what is difference between ANSI structure and C99 Structure?

Wipro,

1 4867

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 6631

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 12486

what is the difference b/w NULL and null?

HSBC, IBM,

3 6787

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

3 8278

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

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

71 264750

what type of questions arrive in interview over c programming?

2031

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

1 4853

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 3137

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Un-Answered Questions { C }

write a program to find out prime number using sieve case?

2099

Is null equal to 0 in sql?

1151

Explain how can a program be made to print the line number where an error occurs?

1219

What is structure in c language?

1174

What is the difference between struct and union in C?

1316

What are two dimensional arrays alternatively called as?

1187

What does calloc stand for?

1166

How will you divide two numbers in a MACRO?

1139

Are there namespaces in c?

1130

When we use void main and int main?

1090

What is keyword with example?

1066

Why is sprintf unsafe?

1077

I need a help with a program: Write a C program that uses data input in determining the whole of points A and a whole of circles B. Find two points in A so that the line which passes through them, cut through the maximum number of circles.

1947

What are derived data types in c?

1090

how can f be used for both float and double arguments in printf? Are not they different types?

1072

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