Consider the following set of process with CPU burst time.

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Consider the following set of process with CPU burst time.

written 6.4 years ago by

priyad84 • 350

modified 2.1 years ago by

binitamayekar ★ 6.4k

Subject: Operating System

Topic: Process Concept and Scheduling

Difficulty: Medium

Process	Burst Time	Arrival Time
P1	10	11
P2	4	2
P3	5	3
P4	3	4

i) Draw Gnatt chart for FCFS, SJF pre-emptive and Round Robin (Quantum = 3). Calculate average waiting time and average turnaround time.

operating systems

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written 2.1 years ago by

binitamayekar ★ 6.4k

Turn Around Time = Process Completion Time – Process Arrival Time

Waiting time = Turn Around time – Burst time

First Come First Serve (FCFS) Scheduling

FCFS

Process	Arrival Time	Burst Time	Completion Time	Turn Around Time	Waiting Time
P1	11	10	24	24 – 11 = 13	13 – 10 …

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