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Operating Systems

Tutorials

Tutorial 4a

Exercise 1

Exercise 1

Scheduling

Process	`[AT]` `[BT]` `[CPU]` Sequence	Priority
A	`[AT=0]` `[CPU=10]` `[BT=10]` `[CPU=20]` `[BT=20]` `[CPU=20]`	2
B	`[AT=10]` `[CPU=30]` `[BT=10]` `[CPU=40]` `[BT=10]`	3
C	`[AT=20]` `[CPU=20]` `[BT=10]` `[CPU=20]` `[BT=20]` `[CPU=10]`	1

FCFS

Round-Robin

Priority-Based with Preemption

Analysis