Answered: Task 2: Round Robin You can use the…

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

Given the list of processes, their CPU burst times, arrival times and priorities implement SJF,
Priority and Round Robin scheduling algorithms on the processes with preemption. For each of
the scheduling policies, compute and print the completion Time(CT), Turnaround Time(TAT),
and Waiting Time(WT) for each process using C Programming.
Waiting time: Processes need to wait in the process queue before execution starts and in
execution while they get preempted.

Turnaround time: Time elapsed by each process to get completely served. (Difference between
submission time and completion time).

Task 2: Round Robin
You can use the following input as sample:
Time Quantum = 20 ms
Process
P1
P2
P3
P4
Solution in a Gantt chart:
P1
P2
P3
O
20
37
57
P4
77
P1
P3
97 117
P4
Burst Time
53
17
68
24
121
P1
134
P3
154
P3
162

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