Consider the folowing set of processes, with the length of the CPU burst given in seconds: Process Burst Priority P1 32 4 P2 24 1 P3 4 P4 36 2 P5 12 3 NOTE: The processes are assumed to have arrived in the order P1, P2, P3, P4, P5, all at time 0. • Draw four Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, SJF, non-preemptive priority (a larger priority mumber implies a higher priority), and Round Robin (quantum = 8). • What is the turnaround time of each process for each of the scheduling algorithms in part a? • What is the waiting time of each process for each of these scheduling algorithms? • Which of the algorithms results in the minimum average waiting time (over all processes)? Which of the algorithms results in the minimum average turnaround time (over all processes)?

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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Consider the following set of processes, with the length of the CPU burst given in seconds:
Process Burst Priority
P1
32
4
P2
24
1
P3
4
P4
36
2
P5
12
3
NOTE: The processes are assumed to have arrived in the order P1, P2, P3, P4, P5, all at time
0.
• Draw four Gantt charts that ilustrate the execution of these processes using the
following scheduling algorithms: FCFS, SJF, non-preemptive priority (a larger priority
number implies a higher priority), and Round Robin (quantum = 8).
• What is the turnaround time of each process for each of the scheduling algorithms in
part a?
• What is the waiting time of each process for each of these scheduling algorithms?
• Which of the algorithms results in the minimum average waiting time (over all
processes)?
Which of the algorithms results in the minimum average turnaround time (over all
processes)?
Transcribed Image Text:Consider the following set of processes, with the length of the CPU burst given in seconds: Process Burst Priority P1 32 4 P2 24 1 P3 4 P4 36 2 P5 12 3 NOTE: The processes are assumed to have arrived in the order P1, P2, P3, P4, P5, all at time 0. • Draw four Gantt charts that ilustrate the execution of these processes using the following scheduling algorithms: FCFS, SJF, non-preemptive priority (a larger priority number implies a higher priority), and Round Robin (quantum = 8). • What is the turnaround time of each process for each of the scheduling algorithms in part a? • What is the waiting time of each process for each of these scheduling algorithms? • Which of the algorithms results in the minimum average waiting time (over all processes)? Which of the algorithms results in the minimum average turnaround time (over all processes)?
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