Suppose that a system has only one CPU with the following list of processes, which are represented by (proc-id, arrival time, required CPU time): (A, 0, 4), (B, 0, 2), (C, 1, 2), (D, 5, 3), (E, 6, 1) Show the Gantt chart schedule of these processes for the following scheduling algorithms: First in first out (FIFO): Non-preemptive shorted job first (SJF); Preemptive shorted remaining time job first (SRJF); b) Calculate the CPU utilization and average wait time for above three scheduling algorithms.

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
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Suppose that a system has only one CPU with the following list of processes, which are
represented by (proc-id, arrival time, required CPU time):
(A, 0, 4), (B, 0, 2), (C, 1, 2), (D, 5, 3), (E, 6, 1)

Show the Gantt chart schedule of these processes for the following scheduling algorithms:

First in first out (FIFO):

Non-preemptive shorted job first (SJF);

Preemptive shorted remaining time job first (SRJF);

b) Calculate the CPU utilization and average wait time for above three scheduling algorithms.

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