Draw a Gantt chart showing preemptive PRIORITY schedulingand find average waiting time.Which of the foregoing scheduling policies provides the lowest waiting timefor this set of jobs? What is the waiting time with this policy? Consider the following set of jobs to be scheduled for execution on a single CPU system.Job Arrival Time Size (msec) Priority102 (Silver)1 (Gold)3 (Bronze)2 (Silver)3 (Bronze)1 (Gold)J1J228.3J3JA104121J5J6154

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Engineering

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Draw a Gantt chart showing preemptive PRIORITY schedulingand find average waiting time

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter6: System Integration And Performance

Section: Chapter Questions

Problem 33VE

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Concept explainers

Concurrency Control

The simultaneous occurrence of two or more operations is called concurrence and the situation is called concurrency. In concurrency, the function of one operation can affect the function of the other and put data integrity at risk. Hence, management for the control of concurrency is required. The management or controlling system in the Database Management System (DBMS) that coordinates concurrent access is called the concurrency control system.

Question

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Draw a Gantt chart showing preemptive PRIORITY schedulingand find average waiting time.
Which of the foregoing scheduling policies provides the lowest waiting time
for this set of jobs? What is the waiting time with this policy?

Consider the following set of jobs to be scheduled for execution on a single CPU system.
Job Arrival Time Size (msec) Priority
10
2 (Silver)
1 (Gold)
3 (Bronze)
2 (Silver)
3 (Bronze)
1 (Gold)
J1
J2
2
8.
3
J3
JA
10
4
12
1
J5
J6
15
4

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