Consider the following set of processes, wit given in milliseconds: Process Burst Time Priority P1 7 4 P2 8 3 P3 P4 6. 1 P5 3 2 The processes are assumed to have arrived in a. Draw four Gantt charts that illustrate the execut (a larger priority number implies a higher priority) b. What is the turnaround time of each process for e c. What is the waiting time of each process for each

Consider the following set of processes, wit given in milliseconds: Process Burst Time Priority P1 7 4 P2 8 3 P3 P4 6. 1 P5 3 2 The processes are assumed to have arrived in a. Draw four Gantt charts that illustrate the execut (a larger priority number implies a higher priority) b. What is the turnaround time of each process for e c. What is the waiting time of each process for each

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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6. Consider the following job arrival and CPU burst times given: CPU burst 7 Job Arrival time A B 4 3 D a. Using the shortest job first scheduling method, draw the Gannt chart (showing the order of execution of these jobs), and calculate the average waiting time for this set of jobs. b. Repeat a. using the shortest remaining time first scheduling method. c. What is the main difference between these two methods?
2. Given a set of processes and burst time draw the gantt chart and determine the average waiting time (a) Shortest Job First Process P₁ P₂ P3 P4 Burst time ∞05 8 4 9
Given in Table 1 is a set of five (5) processes with the priority, length of the CPU-burst time, and arrival time. Table 1 Process Arrival Time (ms) Burst Time (ms) Priority* P1 3 P2 1 2 1 P3 3 P4 7 P5 8 8 4. *Note: • A smaller priority number implies a higher priority. a) Compute the Waiting Time (WT) of each process in Table 1, and also compute their Average Waiting Time, for each of the following scheduling algorithms. i. Shortest Job First (SJF). ii. Pre-emptive Priority (PP) iii. Round Robin (RR) with quantum = 3 (ms).
Consider the following set of processes, with the length of the CPU-burst time given in milliseconds, Process CPU Burst Time P1 P2 1 P3 P4 1 P5 7 The processes are assumed to have arrived in the order P1, P2, P3, P4, P5 all at time 0. Draw four Gantt charts illustrating the (i) execution of these processes using SJF and RR (quantum = 1) scheduling. (ii) What is the waiting time of each process for each of the scheduling algorithms in part (i)? %3D
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Consider the following data [Figure].Suppose round robin scheduling is applied on the given data with time quantum=Floor (XX % 3) units. It is also given that scheduling of a process or context switch will take 1 unit of time. What is the completion time and turnaround time of process P4?Where XX is the last two digits of your roll number. XX=18
Vidyadhar, Rodika, and Manoj write code for a system that requires 4 modules. Each module takes an exponential amount of time to complete with mean 3.0 days. Once a coder is finished with a module, he/she starts another, but only one coder can work on a module. Let {X(t), t >=0} be the CTMC describing the number of modules remaining to code. Show the rate diagram for X Show the Q matrix
answer for part 1 is provided.I need answer for part 3 context switching At arrival time 0, we have 2 processes P1 and P2 with same priority 3 So, according to Shortest Remaining Time First policy, P1 with burst time of 15 P1 0 15 After 15 secs, no other process has arrived and Process P2 is executed for 5 secs and then new processes has arrived. But, Process P2 has the highest priority when compared to the new processes. So, it completely gets executed P1 P2 0 15 35 Now, all the processes have arrived and P3 P4 P5 has the same priority. So, according to SRTF policy, P5 is executed and then P4 and P3 P1 P2 P5 P3 P4 0 15 35 40 50 70 Now, the only remained process of P6 is executed P1 P2 P5 P3 P4 P6 0 15 35 40 50 70 85 Step 2 Thus, the…
Consider the following set of processes (arriving in the order Pi, P2, P3, P4, Ps, all at time 0): Burst time Process Priority (msec) 9. 2 P1 P2 P3 P4 Ps 1 1 2 2 3 4 5 3 Note that a smaller priority number implies a higher priority. Draw a timeline (Gant Chart) illustrating the sequence of process executions for the above processes using: i. First Come First Serve (FCFS) ii. Shortest Job First (SJF)
Given the following two tasks in a soft real-time system T1 (T-2, E-1) T2 (T-5, E-3) A Is the system schedulable under Earliest Deadline First (EDF) scheduler? (enter Yes or No) B. At time 0, what is the absolute deadline of T1 and T2 respectively? (enter numerical answer only) C.At time 2, what is the absolute deadline of T1 and T2 respectively? (enter numerical answer only) D. At time 4, what is the absolute deadline of T1 and T2 respectively? (enter numerical answer only) E. At time 8, what is the absolute deadline of T1 and T2 respectively? (enter numerical answer only) FHthe system is not schedulable, what is the failure rate of T1 and T2 respectively? (enter numerical percentage value without any letters or symbols) G. If Rate Monotice Scheduler is used, what would be the failure rate of T2? (enter numerical percentage value without any letters or symbols)
You are designing a real-time system that must execute the following set of processes: P1(20,3); P2(5,2); P3(350,15); P4(500,22); P5(100,10) Note: The first parameter listed for each process is the period, and the second is the maximum execution time. Can these processes be scheduled using Rate Monotonic? You must justify your answer. Can these processes be scheduled using Earliest Deadline First? You must justify your answer. If possible, identify the simplest of these strategies that can be used to schedule these processes.
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