4. Consider this set of processes. Create the Gantt chart and compute the response time (RT), wait time(WT) and turn around time(TT) for Preemptive Priority ( 1 is highest) algorithm for each process and the averages Process arrival time CPU 12 7 5 P1 22122 P2 P3 P4 P5 P6 0 0 3 4 7 14 63 CO 8 priority 2 1 3231

4. Consider this set of processes. Create the Gantt chart and compute the response time (RT), wait time(WT) and turn around time(TT) for Preemptive Priority ( 1 is highest) algorithm for each process and the averages Process arrival time CPU 12 7 5 P1 22122 P2 P3 P4 P5 P6 0 0 3 4 7 14 63 CO 8 priority 2 1 3231

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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Question no 2: Consider the following set of four processes. Their arrival time and time to require completing the execution are given in the following table. Consider all times in milliseconds. Implement the SJF algorithm on the given chart. Process Arrival Time (T0) Time required for completion (CPU Burst Time) P0 0 10 P1 1 6 P2 3 2 P3 5 4
Consider the following set of processes, with the length of the CPU burst time given in milliseconds: Process Arrival Time CPU Burst Time/ Service Time/ Processing Time Priority P1 0 3 2 P2 1 5 3 P3 2 2 1 P4 3 3 3 P5 4 4 4 Draw the Gantt charts illustrating the execution of these processes using: FCFS SJF (SPN) SRT HRRN a nonpreemptive priority (a smaller priority number implies a higher priority) RR (q= 1) RR (q= 3) Combining RR (q=2) and priority scheduling Feedback (q=1) Feedback (q=2i)
Consider the following set of processes, with the length of the CPU burst time given in milliseconds: Process Arrival Time CPU Burst Time/ Service Time/ Processing Time Priority P1 0 3 2 P2 1 5 3 P3 2 2 1 P4 3 3 3 P5 4 4 4 Draw the Gantt charts illustrating the execution of these processes using: FCFS SJF (SPN) SRT HRRN a nonpreemptive priority (a smaller priority number implies a higher priority) RR (q= 1) RR (q= 3) Combining RR (q=2) and priority scheduling Feedback (q=1) Feedback (q=2i) Fill out the following table for each of the scheduling algorithms in part a. Process Arrival Time Starting Time Completion Time Response Time Waiting Time Turnaround Time P1 0 P2 1 P3 2 P4 3 P5 4 Average
Consider the following set of processes, with length of the CPU-burst time given in milliseconds: 1)Draw the Time chart illustrating the execution of process using FCFS And preemptive SJF scheduling algorithms. 2) Find the average waiting time.
Consider the following set of processes that arrive at time = 0, with the length of the CPU - burst time given in milliseconds and time quantum = 4: 1)Draw the Time chart illustrating the execution of the process using Round Robin scheduling and non preemptive priority scheduling. 2) Find the average waiting time.
consider the following set of processes , with the length of the CPU burst given in milliseconds: Draw the Gantt charts that illustrate the execution of these processes and compute the average waiting time, average turnaround, average response time using the following scheduling algorithms: 1) FCFS 2)Primitive SJF Process, burst time, arrival time P3 2 0 P2 4 1 P5 5 2 P1 10 3 P4 1 4
At times t = 0, 1, and 2 seconds, processes P1, P2, and P3 arrive in the Ready state, respectively. Suppose their execution times are 5 seconds, 4 seconds, and 3 seconds, respectively. Show how they will be scheduled using round robin scheduling with a quantum of 3 seconds. Calculate the average turnaround time per process.
2. Consider the following processes with their associated CPU burst times. The processes have entered the system in the order that they are presented in the table. Process : BurstTime P1 : 7 P2 : 1 P3 : 13 P4 : 4 P5 : 5 For each of the following scheduling algorithms, draw a Gantt chart that illustrates the order of execution for each of these processes. Also, compute the average waiting time for each algorithm. a. First Come First Served b. Shortest Job First c. Round Robin (with time quantum of 3)
please answer b Consider the following set of processes, with the length of the CPU burst given in milliseconds: Process Burst Time Priority P1 5 4 P2 3 1 P3 1 2 P4 7 2 P5 4 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 SJF and RR algorithms?
Consider the following set of processes. Process BurstTime Priority Arrival P1 30 20 0 P2 5 25 5 P3 15 20 12 P4 10 30 48 Assume that the CPU is idle at time 0 and that processes are being scheduled using a preemptive, priority-based, round-robin scheduling algorithm. Each process is assigned a numerical priority, with a higher number indicating a higher relative priority. For processes with the same priority, a round-robin scheduler will be used with a time quantum of 10 units. If a process is preempted by a higher-priority process, the preempted process is placed at the end of the queue. a.What is the turnaround time for P3? Give your answer as an integer. b. What is the waiting time for P1? Give your answer as an integer. c. Indicate whether the processes run concurrently. 1P1 and P3 2P2 and P3 3P4 and P3 d. How many times does a context switch from P1 occur? Give your answer as an integer.
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Consider the following set of processes, with the length of the CPU burst given in milliseconds. Process Burst Time Priority P1 2 2 P2 1 1 P3 8 4 The processes are assumed to have arrived in the order of P1, P2, P3, P4, P5 all at time 0. a. Draw the Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: 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 i? c. Which of the algorithms results in the minimum average waiting time (over all processes)?