Process Arrival Burst P1 00 7 P2 4 P3 4 2 P4 2 Draw two Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, preemptive SJF. Find the average waiting time for FCFS only.

Process Arrival Burst P1 00 7 P2 4 P3 4 2 P4 2 Draw two Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, preemptive SJF. Find the average waiting time for FCFS only.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Consider the following five processes each having its own unique execution time and arrival time Process Arrival Time Execution Time A 0 6 B 3 2 C 5 4 D 7 6 E 10 3 Draw a timeline and compute the average turnaround time and average waiting time for reach of the scheduling algorithms below: 1.FCFS 2.Round Robin (time slice = 3) 3. SRT 4. SJF
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Question 4 Execute SRT for the following group of processes and complete the following table: Process A B C D E TArrival 0 2 4 6 8 Ts 2 3 5 1 4 TFinish Answer Answer Answer Answer Answer TR Answer Â Answer Â Answer Â Answer Â Answer Â 1. If the process arriving has the same remaining execution time as the process in the CPU, then the process that is using the CPU will have the highest priority.Â 2. If there is no process in the execution state and two or more processes have the shortest remaining time, then you will use the lowest PID criterion (using lexicographical order). Question 5 Execute HRRN for the following group of processes and complete the following table: Process A B C D TArrival 0 2 4 6 Ts 3 5 4 1 TFinish Answer Answer Answer Answer TR Answer Â Answer Answer Answer Â If two or more processes in the ready queue…
Consider the following set of processes: Process Arrival Burs P1 00 7 P2 2 4 P3 4 Р4 Draw two Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, preemptive SJF. Find the average waiting time for FCFS only.
Which of the following applies to a Round Robin Scheduler is designed especially for timesharing systems. each process is allocated an interval, a time slice, of which to run before being placed back at the tail end of the ready queue until it eventually completes execution. 00 can require many more context switches when compared to other scheduling algorithms. is a preemptive scheduler.
Consider three intensive processes, which requires 10,20 and 30 units of time and arrive at times 0,2 and 6 respectively. how many context switches are needed if the operating system implements a shortest remaining time first scheduling algorithm? Do not count the context switches at time zero and at the end.
Process Priority_Burst Time Arrival P1 3 6. P2 2 8. P3 4 7 4 PA 1 3 5 1. Draw the Gantt (scheduling) chart for FCFS, SJF, preemptive SJF, Priority, and RR (quantum=1). 2. Compute the average waiting time and average turnaround time for each scheduling algorithm.
Consider the following set of processes (a smaller priority number implies a higher priority). The processes are assumed to have arrived in the order P1, P2, P3, P4, P5 all at time 0. Process Priority Burst Time P1 1 20 P2 3 25 P3 4 25 P4 2 15 P5 5 30 What is the waiting time of each process for each of the scheduling algorithms FCFS, SJF (if two jobs have the same burst time, schedule them following priority), non-preemptive priority? Process FCFS SJF Priority P1 P2 P3 P4 P5
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