Consider Context Switch time of 2 secs and modify below program accordingly Program: FCFS CPU SCHEDULING ALGORITHM: #include #include main() { int bt[20], wt[20], tat[20], i, n; float wtavg, tatavg; clrscr(); printf("\nEnter the number of processes -- "); scanf("%d", &n); for(i=0;i
Consider Context Switch time of 2 secs and modify below
Program:
FCFS CPU SCHEDULING
#include<stdio.h>
#include<conio.h>
main()
{
int bt[20], wt[20], tat[20], i, n; float wtavg, tatavg;
clrscr();
printf("\nEnter the number of processes -- "); scanf("%d", &n);
for(i=0;i<n;i++)
{
printf("\nEnter Burst Time for Process %d -- ", i); scanf("%d", &bt[i]);
}
wt[0] = wtavg = 0; tat[0] = tatavg = bt[0];
for(i=1;i<n;i++)
{
wt[i] = wt[i-1] +bt[i-1];tat[i] = tat[i-1] +bt[i]; wtavg = wtavg + wt[i]; tatavg = tatavg + tat[i];
}
printf("\t PROCESS \tBURST TIME \t WAITING TIME\t TURNAROUND TIME\n");
for(i=0;i<n;i++)
{
printf("\n\t P%d \t\t %d \t\t %d \t\t %d", i, bt[i], wt[i], tat[i]);
}
printf("\nAverage Waiting Time -- %f", wtavg/n);
printf("\nAverage Turnaround Time -- %f", tatavg/n); getch();
}
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