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Q// Assume that we have the workload shown below. All five processes arrive at time 0, in the order given, with the length of the CPU burst given in milliseconds: Process CPU Burst Time Priority P1 10 P2 29 P3 3 4 P4 7 3 P5 12 1 A) Consider the FCFS, SJF, and RR (quantum = 10 milliseconds) scheduling algorithms for this set of processes. Which algorithm would give the minimum average waiting time and minimum average turnaround time? B) Using the Priority algorithm, find the average waiting time and average turnaround time. C) If the CPU was idled for 2 milliseconds and the future knowledge algorithm was used, did that enhance the average waiting time and average turnaround time for this workload?

Q// Assume that we have the workload shown below. All five processes arrive at time 0, in the order given, with the length of the CPU burst given in milliseconds: Process CPU Burst Time Priority P1 10 P2 29 P3 3 4 P4 7 3 P5 12 1 A) Consider the FCFS, SJF, and RR (quantum = 10 milliseconds) scheduling algorithms for this set of processes. Which algorithm would give the minimum average waiting time and minimum average turnaround time? B) Using the Priority algorithm, find the average waiting time and average turnaround time. C) If the CPU was idled for 2 milliseconds and the future knowledge algorithm was used, did that enhance the average waiting time and average turnaround time for this workload?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q// Assume that we have the workload shown below. All five processes arrive at time 0, in the order given, with the length of the CPU burst given in milliseconds: Process CPU Burst Time Priority P1 10 P2 29 P3 3 P4 P5 12 1 A) Consider the FCFS, SJF, and RR (quantum = 10 milliseconds) scheduling algorithms for this set of processes. Which algorithm would give the minimum average waiting time and minimum average turnaround time? B) Using the Priority algorithm, find the average waiting time and average turnaround time. C) If the CPU was idled for 2 milliseconds and the future knowledge algorithm was used, did that enhance the average waiting time and average turnaround time for this workload? D) Suppose that a multilevel feedback queuing is used such that Q1 is RR with (quantum = 5 milliseconds) and the process's entrances to Q1 is done according to their priorities. Q2 is fixed time SJF queue which specifies 4 milliseconds for each process. Q3 is FCFS queue. Find the average waiting time and average turnaround time. E) Suppose that a multilevel queuing is used which consists of 3 queues Q1, Q2, and Q3. Q1 is RR with (quantum = 10 milliseconds) and specified for the processes of priorities ranged from [0, 1]. Q2 is SJF which specified for the processes of priorities ranged from [2,3]. Q3 is FCFS which specified for the processes of priorities ranged from [4 and above]. Find the average waiting time and average turnaround time.
Transcribed Image Text:Q// Assume that we have the workload shown below. All five processes arrive at time 0, in the order given, with the length of the CPU burst given in milliseconds: Process CPU Burst Time Priority P1 10 P2 29 P3 3 P4 P5 12 1 A) Consider the FCFS, SJF, and RR (quantum = 10 milliseconds) scheduling algorithms for this set of processes. Which algorithm would give the minimum average waiting time and minimum average turnaround time? B) Using the Priority algorithm, find the average waiting time and average turnaround time. C) If the CPU was idled for 2 milliseconds and the future knowledge algorithm was used, did that enhance the average waiting time and average turnaround time for this workload? D) Suppose that a multilevel feedback queuing is used such that Q1 is RR with (quantum = 5 milliseconds) and the process's entrances to Q1 is done according to their priorities. Q2 is fixed time SJF queue which specifies 4 milliseconds for each process. Q3 is FCFS queue. Find the average waiting time and average turnaround time. E) Suppose that a multilevel queuing is used which consists of 3 queues Q1, Q2, and Q3. Q1 is RR with (quantum = 10 milliseconds) and specified for the processes of priorities ranged from [0, 1]. Q2 is SJF which specified for the processes of priorities ranged from [2,3]. Q3 is FCFS which specified for the processes of priorities ranged from [4 and above]. Find the average waiting time and average turnaround time.
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