Consider the following process scheduling scenario: Process name Arrival time A B C D A B C D 0 2 5 6 a. Round-Robin (RR) (quantum time, q = 3) Processing time 6 4 1 3 Show (use shading) the execution pattern for one cycle for each process using the following scheduling policies: Priority A B C D 2 3 1 (highest) 4 (lowest) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 b. Preemptive SJF (Shortest Job First) / Shortest Remaining Time (SRT) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 c. From the answers produced in 3(a) and 3(b), calculate the average waiting time and specify the best algorithm for the given scenario. Explain the reason/justification the algorithm is selected as the best.

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Consider the following process scheduling scenario:
Process name Arrival time Processing time
A
B
C
D
0
2
5
6
a. Round-Robin (RR) (quantum time, q = 3)
A
B
C
D
6
4
1
3
Show (use shading) the execution pattern for one cycle for each process using the
following scheduling policies:
C
D
Priority
2
3
1 (highest)
4 (lowest)
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
b. Preemptive SJF (Shortest Job First) / Shortest Remaining Time (SRT)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
B
c. From the answers produced in 3(a) and 3(b), calculate the average waiting time and
specify the best algorithm for the given scenario. Explain the reason /justification the
algorithm is selected as the best.
Transcribed Image Text:Consider the following process scheduling scenario: Process name Arrival time Processing time A B C D 0 2 5 6 a. Round-Robin (RR) (quantum time, q = 3) A B C D 6 4 1 3 Show (use shading) the execution pattern for one cycle for each process using the following scheduling policies: C D Priority 2 3 1 (highest) 4 (lowest) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 b. Preemptive SJF (Shortest Job First) / Shortest Remaining Time (SRT) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B c. From the answers produced in 3(a) and 3(b), calculate the average waiting time and specify the best algorithm for the given scenario. Explain the reason /justification the algorithm is selected as the best.
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