How and Why we use comments /* */

–Text surrounded by (/* and */ or // ) is ignored by computer

–Used to describe useful program information (description, author, date…

Example: 

/*
A Simple Program To Display Welcome !!!
*/
// A Simple Program To Display Welcome !!!

#include <stdio.h>

int main()
{

    printf("Welcome To Huzaifa's Blog\n");

    return 0 ;

}

Output:

Welcome To Huzaifa's Blog