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C Interview Questions

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Q-1: Create a structure to specify data on students given below: Roll number, Name, Department, Course, Year of joining Assume that there are not more than 450 students in the college.

find the output? void r(int a[],int c, int n) { if(c>n) { a[c]=a[c]+c; r(a,++c,n); r(a,++c,n); } } int main() { int i,a[5]={0}; r(a,0,5); for(i=0;i<5;i++) printf("\n %d",a[i]); getch(); }

1390Can you explain what keyboard debouncing is, and where and why we us it? please give some examples

1248write a statement to display all the elements array M(in reverse order? int M[8]={20,21,22,23,24,25,26,27};

In this problem you are to write a program that will cut some number of prime numbers from the list of prime numbers between 1 and N.Your program will read in a number N; determine the list of prime numbers between 1 and N; and print the C*2 prime numbers from the center of the list if there are an even number of prime numbers or (C*2)-1 prime numbers from the center of the list if there are an odd number of prime numbers in the list.

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Un-Answered Questions { C }

Explain what are preprocessor directives?

How do I get an accurate error status return from system on ms-dos?

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

What is the easiest sorting method to use?

Is swift based on c?

What are the salient features of c languages?

How can you draw circles in C?

Explain what math functions are available for integers? For floating point?

Are comments included during the compilation stage and placed in the EXE file as well?

What is an auto keyword in c?

How can I ensure that integer arithmetic doesnt overflow?

Why we not create function inside function.

Explain how many levels deep can include files be nested?

List the variables are used for writing doubly linked list program.

Explain Basic concepts of C language?