A). FIRST COME FIRST SERVE: AIM: To write a java program to simulate the CPU scheduling algorithm…
A). FIRST COME FIRST SERVE:
AIM: To write a java program to simulate the CPU scheduling algorithm First Come First Serve (FCFS).
To calculate the average waiting time using the FCFS algorithm first the waiting time of the first process is kept zero and the waiting time of the second process is the burst time of the first process and the waiting time of the third process is the sum of the burst times of the first and the second process and so on. After calculating all the waiting times the average waiting time is calculated as the average of all the waiting times. FCFS mainly says first come first serve the algorithm which came first will be served first.
B). SHORTEST JOB FIRST:
AIM: To write a java program to simulate the CPU scheduling algorithm Shortest Job First (Non Preemption)
To calculate the average waiting time in the shortest job first algorithm the sorting of the process based on their burst time in ascending order then calculate the waiting time of each process as the sum of the bursting times of all the process previous or before to that process.
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