a. Given the following jobs that are to be processed on a single processor:i.ii.ProcessP1P2P3Table 1: Process SchedulingArrival Timein msP40246Service Timein ms5294Illustrate a Gantt chart to show the schedules for Shortest Remaining Time (SRT) andShortest Process Next (SPN) policies.Estimate the finish time, tumaround time, and normalized turnaround time for bothalgorithms.

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Answered: a. Given the following jobs that are to…

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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rocess Arrival Time CPU Burst Time Priority PI P2 P3 P4 5 0 7 4 6 7 5 7 HIGH LOW VERY HIGH MEDIUM (a) Draw a Gantt chart of the process scheduling using preemptive, priority-based scheduling. Determine the waiting time & the turnaround time of individual processes and the average waiting time & the average turnaround time. In case of a tie, use arrival times to break the tie
Operating Systems
Process Burst Time Priority P1 6 3 P2 1 P3 P4 4 P5 3 The processes are assumed to have arrived in the order P1, P2, P3, P4, P5 all at time e. a. Draw four Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, non- preemptive SJF, non-preemptive priority (a larger priority number implies a higher priority)and RR (quantum = 2). b. What is the turnaround time of each process for each of the scheduling algorithms in part a? c. What is the waiting time of each process for each of these scheduling algorithms? d. Which of the algorithms results in the minimum average waiting time (over all processes 2. 2. 5. 4)
Part I Assume that the ready queue has just received for processes: P1, P2, P3, P4, in that order. All at time 0. The CPU execution times for these processes are as follows: Process Execution Time P1 P2 P3 P4 13 8 15 6 Draw the Gantt chart and calculate the metric listed in parentheses for each of the following scheduling algorithms: 1. First Come, First Served (Total Wait Time) 2. Shortest Job First (Total Wait Time) 3. Round Robin, with a time quantum of 5 ms (Total Wait and Response Times) Part II Now assume that P1 arrives in the ready queue at time 0, P2 arrives at time 4, P3 arrives at time 10, and P4 arrives at time 20. The CPU execution times for the processes are the same as in Part I: Process Execution Time P1 P2 P3 P4 P1 13 P2 8 P3 15 P4 6 Draw the Gantt chart and calculate the total wait time for each of the following scheduling algorithms: 1. Shortest Job First 2. Shortest Remaining Time Next (remember, this is a preemptive algorithm) 3. Preemptive priority with the…
1. Consider the following task set scheduled according to the rate monotonic assignment and answer the questions accordingly. T1-(1, 0.5), T2= (1.5, 0.4) (a) Is the schedule feasible? (b) Do these tasks fully utilize the processor (based on RM scheduling)? Show your answer. (c) (if the answer to (b) is “no",) Change the run time of the first task so that the resulting set will maximize the utilization of the processor under RM scheduling. (d) What is the maximum achievable utilization if the period for the second task was changed from 1.5 to 2 (and the run times could also be modified to achieve maximum utilization)?
Shortest Process First (SPF) scheduling in a multiprocessing system is unrealistic because (select the correct choice): O Processes may stop execution before their allowed time expires. O Total process execution times are not known in advance. O Process /O requirements are not predictable. O Process execution burst durations are not known in advance. O Process time slices may end before execution times are completed.
Consider the following processes:Process Arrival Time Service Time A 0 3 B 1 1 C 3 3 D 4 2 E 5 5 Show how the above processes execute over time on a single CPU system (i.e., please drawthe schedule where the x-axis is the time). Compute the completion time for each process,and the average turnaround time for all processes under each of the following schedulers:(a) FCFS. (b) Round Robin with (q = 1). (c) Shortest Job First. (d) Shortest Remaining Time First. (e) HRRN.
Consider the following job table with 6 jobs with job completion requirement. Assume a real-time system using EDF (Earliest Deadline First) processor scheduling. Jobs A B C D E F Deadline 4 1 40 2 17 16 Draw a diagram showing the list of jobs in the order of execution with start time and finish time of each job specified. Identify the jobs that fail to meet their deadline. Further, fill in the following table with start times and finish times of each job. Jobs A C D Arrival Time 0 0 1 1 3 6 E F Paragraph Start Time 00 Run (CPU) Time 3 1 B I 6 2 7 5 Finish Time U✓ A 44 FO +M
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Consider the following set of processes, with the length of the CPU burst given in milliseconds: Process P1 P2 P3 P4 P5 Burst Time 5 3 1 7 4 Priority 4 1 2 2 3 The processes are assumed to have arrived in the order P1, P2, P3, P4, P5, all at time 0. b) What is the turnaround time of each process for each of the scheduling algorithms in part a? c) What is the waiting time of each process for each of these scheduling algorithms?
Consider the following processes arriving at the ready queue and dispatched to a single core CPU using preemptive shortest job first scheduling: PID Arrival Time Burst (ms) 10 0 11 11 3 12 5 13 13 14 16 15 21 63926 Answer the following: (a) Draw a Gantt chart showing the arrival time and run times for each process. (b) Calculate the wait time for each process and average waiting time. (c) Calculate the turnaround time for each process.
With regard to the performance data cited for programs v, w, x, y, and z in table 11.1, find the geometric means of the runtimes of the programs for System B and System C, using System A as the reference system. Verify that the ratios of the means are consistent with the results obtained using the other two systems as reference systems.

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