1.3.Assume that the next valFor the Processes table below, calculate the average waiting time for the algorithms:Process Burst Time PriorityP1103P211HP324P415LP5In52i. Shortest Job First (SJF) andii. Priority Scheduling✓

Theory and Explanation: Introduction to Scheduling Algorithms: Scheduling algorithms are crucial in…

Answered: 1.3. Assume that the next val For the…

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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Process PI P2 P3 P4 P5 Buast time 2 1 8 4 5 Priority (2*xx) %5 (2xxx) 5 (2*XX) 0/0 5 (2*XX) do 5 (2*xx) do 5 ✓ 11 Value of XX is 5 All processes Arrives at time + = 0 ms. Draw the Gantt chart for priority scheduling (A larger priority number implies higher priority)
a) Find out the average waiting time, average response time and average turnaround time of the following processes using a. Shortest Remaining Time First Scheduling b. Preemptive Priority Scheduling Process Arrival Time Priority Execution Time P1 2 7 P2 1 4 P3 1 1 3 P4 3 2
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)
Consider the resource allocation graph shown below. Answer the following three sub- questions. D Write a set of processes. The answer is Write a set of resource types. The answer is Is the system in a deadlock? The answer is (Yes or No).
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…
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
Please answer question b and show all the work.
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?
Three periodic processes of an operating system has P(burst time, period) as follows: P1(4,20), P2(6,10), P3(12,30). Which of the following is true when these processes are scheduled with Rate-Monotonic scheduling algorithm that assigns priorities proportional to periods (shorter period has higher priority). a)No process misses a deadline b)Only P3 misses its deadline c)P1, P2 and P3 all miss their deadlines d)P2 and P3 both miss their deadlines

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1.3. Assume that the next val For the Processes table below, calculate the average waiting time for the algorithms: Process Burst Time Priority P1 10 3 P2 1 1 H P3 2 4 P4 1 5 L P5 In 5 2 i. Shortest Job First (SJF) and ii. Priority Scheduling ✓