FCFS Scheduling in C – First Come First Served CPU Algorithm

First Come First Served (FCFS) is the simplest CPU scheduling algorithm used by an operating system — processes are executed strictly in the order they arrive, with no interruption once a process starts running. It works exactly like a queue at a ticket counter: whoever arrives first gets served first, and everyone else waits their …

C Program to check matrix is magic square or not

A magic square is a square matrix in which the sum of every row, every column, and both main diagonals is the same number (called the magic constant). This C program reads a square matrix and checks whether it is a magic square. Example: 8 1 6 3 5 7 4 9 2 Every row, …

C Program to delete a file.

Write a C Program to delete a file.To delete a file in c, We use the remove macro, which is defined in stdio.h. remove macro takes filename with extension as its argument and deletes the file, if it is in the directory and returns the zero, if deleted successfully.Note that deleted file does not goes …

C program to draw a circle using c graphics.

Write C program to draw a circle using c graphics.In this program we use the graphics.h library function to draw a circle. To use graphics.h, we have to install the drivers in to the the system by using the initgraph() function. In the program circle is the graphic function , which takes three parameters, first …