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C Interview Questions
Questions Answers Views Company eMail

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

Accenture, Wipro,


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 4926

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

1 6237

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 2481

what is the return type of printf

3 3537

what is difference between ANSI structure and C99 Structure?


1 3426

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?


1 4110

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

1 2695

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 7796

what is the difference b/w NULL and null?


3 4255

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

3 4618

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

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

71 229259

what type of questions arrive in interview over c programming?


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

1 3209

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 1824

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Un-Answered Questions { C }

What is clrscr ()?


Do you know null pointer?


When should structures be passed by values or by references?


What are the different types of C instructions?


Explain main function in c?


What is the scope of an external variable in c?


What is difference between function overloading and operator overloading?


An instruction which is analysed and acted upon by the processor prior to the compiler going its work a) directive b) constructive c) constant d) absolute mode


What is fflush() function?


in ‘C’ language for Matrix Multiplication fails” Introspect the causes for its failure and write down the possible reasons for its failure.


Is main is a keyword in c?


What are identifiers c?


Write a program to swap two numbers without using the third variable?


Explain data types & how many data types supported by c?


What does the c preprocessor do?