Consider the following set of processes, with the length of the CPU burst time given in milliseconds: Process Burst Time Priority (smaller number means higher priority) P1 2 2 P2 1 1 P3 8 4 P4 4 2 P5 5 3 The processes are assumed to arrive in the order P1, P2, P3, P4, P5, all at time 0. a) Draw four charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, SJF, non-preemptive priority, and RR (quantum = 1 millisecond). b) What is the turnaround time of each process for each of the algorithms? c) What is the waiting time of each process for each of the algorithms? d) Which of the algorithms results in the minimum average waiting time?
Consider the following set of processes, with the length of the CPU burst time given in milliseconds: Process Burst Time Priority (smaller number means higher priority) P1 2 2 P2 1 1 P3 8 4 P4 4 2 P5 5 3 The processes are assumed to arrive in the order P1, P2, P3, P4, P5, all at time 0. a) Draw four charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, SJF, non-preemptive priority, and RR (quantum = 1 millisecond). b) What is the turnaround time of each process for each of the algorithms? c) What is the waiting time of each process for each of the algorithms? d) Which of the algorithms results in the minimum average waiting time?
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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Consider the following set of processes, with the length of the CPU burst time given in milliseconds:
|
Process |
Burst Time |
Priority (smaller number means higher priority) |
|
P1 |
2 |
2 |
|
P2 |
1 |
1 |
|
P3 |
8 |
4 |
|
P4 |
4 |
2 |
|
P5 |
5 |
3 |
The processes are assumed to arrive in the order P1, P2, P3, P4, P5, all at time 0.
a) Draw four charts that illustrate the execution of these processes using the following scheduling
b) What is the turnaround time of each process for each of the algorithms?
c) What is the waiting time of each process for each of the algorithms?
d) Which of the algorithms results in the minimum average waiting time?
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