Consider the following set of processes, with the length of the CPU burst time given in milliseconds:   Process Arrival Time CPU Burst Time/ Service Time/ Processing Time Priority P1 0 3 2 P2 1 5 3 P3 2 2 1 P4 3 3 3 P5 4 4 4   Draw the Gantt charts illustrating the execution of these processes using: FCFS SJF (SPN) SRT HRRN a nonpreemptive priority (a smaller priority number implies a higher priority) RR (q= 1) RR (q= 3) Combining RR (q=2) and priority scheduling Feedback (q=1) Feedback (q=2i)

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 time given in milliseconds:

 

Process

Arrival Time

CPU Burst Time/ Service Time/

Processing Time

Priority

P1

0

3

2

P2

1

5

3

P3

2

2

1

P4

3

3

3

P5

4

4

4

 

  • Draw the Gantt charts illustrating the execution of these processes using:
    • FCFS
    • SJF (SPN)
    • SRT
    • HRRN
    • a nonpreemptive priority (a smaller priority number implies a higher priority)
    • RR (q= 1)
    • RR (q= 3)
    • Combining RR (q=2) and priority scheduling
    • Feedback (q=1)
    • Feedback (q=2i)

 

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