Suppose that the following processes arrive for execution at the times indicated.ProcessArrival TimeBurst TimeP1P2P30.080.441.012.1) Calculate the average waiting & turnaround time for the FCFS scheduling algorithm.2.2) Calculate the average waiting & turnaround time for the SRTF scheduling algorithm.2.3) Calculate the average waiting & turnaround time for the SJF scheduling algorithm if the CPU is leftidle for the first 1 unit.

The formula are Turn around time= completion time - arrival time Waiting time = turn around time -…

1) Calculate the average waiting & turnaround time for the FCFS scheduling algorithm. 2) Calculate the average waiting & turnaround time for the SRTF scheduling algorithm. 3) Calculate the average waiting & turnaround time for the SJF scheduling algorithm if the CPU i le for the first 1 unit.

1) Calculate the average waiting & turnaround time for the FCFS scheduling algorithm. 2) Calculate the average waiting & turnaround time for the SRTF scheduling algorithm. 3) Calculate the average waiting & turnaround time for the SJF scheduling algorithm if the CPU i le for the first 1 unit.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Suppose that the following processes arrive for execution at the times indicated.
Process
Arrival Time
Burst Time
P1
P2
P3
0.0
8
0.4
4
1.0
1
2.1) Calculate the average waiting & turnaround time for the FCFS scheduling algorithm.
2.2) Calculate the average waiting & turnaround time for the SRTF scheduling algorithm.
2.3) Calculate the average waiting & turnaround time for the SJF scheduling algorithm if the CPU is left
idle for the first 1 unit.

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