Homework Answers
Answer:- a)
b.) Turnaround time:- Turnaround time is the time difference between completion time and arrival time.
Turn Around Time = Completion Time - Arrival Time
TurnAround time for non preemptive algorithm
Turnaround time for process p1= 4-0=4
Turnaround time for process p2=16-2=14
Turnaround time for process p3=30-6=24
Turnaround time for process p4 22-16=6
Turnaround time for process p5= 40-20=20
Total average turn around time = (4+14+24+6+20)/5=68/5=13..23
Waiting time :- Waiting time is the time difference between turn around time and burst time.
Waiting Time = Turn Around Time - Burst Time
Waiting time for non-preemptive algorithm
Wating time for p1= 4-4=0
Wating time for p2=14-12=2
Wating time for p3=24-8=14
Wating time for p4=6-6=0
Wating time for p5=10
Turn around time for preemptive algorithm
Turnaround time for process p1= 4-0=4
Turnaround time for process p2=30-2=28
Turnaround time for process p3=14-6=8
Turnaround time for process p4 22--16=6
Turnaround time for process p5= 40-20=20
Total average turnAround time=13.2
Waiting time for preemptive algorithm
Wating time for p1= 4-4=0
Wating time for p2=16
Wating time for p3=0
Wating time for p4=0
Wating time for p5=10
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