Consider the following set of processes, with the length of the CPU burst given in seconds:Process Burst PriorityP1324P2241P34P4362P5123NOTE: The processes are assumed to have arrived in the order P1, P2, P3, P4, P5, all at time0.• Draw four Gantt charts that ilustrate the execution of these processes using thefollowing scheduling algorithms: FCFS, SJF, non-preemptive priority (a larger prioritynumber implies a higher priority), and Round Robin (quantum = 8).• What is the turnaround time of each process for each of the scheduling algorithms inpart a?• What is the waiting time of each process for each of these scheduling algorithms?• Which of the algorithms results in the minimum average waiting time (over allprocesses)?Which of the algorithms results in the minimum average turnaround time (over allprocesses)?

Gantt Chart for FCFS: Average turnaround time = (24 + 28 + 64 + 76 + 108) / 5 = 60 Average waiting…

Consider the folowing set of processes, with the length of the CPU burst given in seconds: Process Burst Priority P1 32 4 P2 24 1 P3 4 P4 36 2 P5 12 3 NOTE: The processes are assumed to have arrived in the order P1, P2, P3, P4, P5, all at time 0. • Draw four Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, SJF, non-preemptive priority (a larger priority mumber implies a higher priority), and Round Robin (quantum = 8). • What is the turnaround time of each process for each of the scheduling algorithms in part a? • What is the waiting time of each process for each of these scheduling algorithms? • Which of the algorithms results in the minimum average waiting time (over all processes)? Which of the algorithms results in the minimum average turnaround time (over all processes)?

Consider the folowing set of processes, with the length of the CPU burst given in seconds: Process Burst Priority P1 32 4 P2 24 1 P3 4 P4 36 2 P5 12 3 NOTE: The processes are assumed to have arrived in the order P1, P2, P3, P4, P5, all at time 0. • Draw four Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, SJF, non-preemptive priority (a larger priority mumber implies a higher priority), and Round Robin (quantum = 8). • What is the turnaround time of each process for each of the scheduling algorithms in part a? • What is the waiting time of each process for each of these scheduling algorithms? • Which of the algorithms results in the minimum average waiting time (over all processes)? Which of the algorithms results in the minimum average turnaround time (over all processes)?

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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Concept explainers

Dynamic Multithreading

An algorithm that executes a single instruction in a uniprocessor system is called a serial algorithm. In the case of a multiprocessor computer system, multiple instructions are executed in parallel. A multithreaded algorithm is an algorithm that enables multiple instances of the code to be executed concurrently.Multithreading is a concept that allows the CPU to execute threads independently while sharing similar resources. It is an important CPU feature that works on the process. Thread is a sequence of instructions that executes in parallel with other threads. Because of multithreading, multiple tasks can be performed within a single process.

Question

Consider the following set of processes, with the length of the CPU burst given in seconds:
Process Burst Priority
P1
32
4
P2
24
1
P3
4
P4
36
2
P5
12
3
NOTE: The processes are assumed to have arrived in the order P1, P2, P3, P4, P5, all at time
0.
• Draw four Gantt charts that ilustrate the execution of these processes using the
following scheduling algorithms: FCFS, SJF, non-preemptive priority (a larger priority
number implies a higher priority), and Round Robin (quantum = 8).
• What is the turnaround time of each process for each of the scheduling algorithms in
part a?
• What is the waiting time of each process for each of these scheduling algorithms?
• Which of the algorithms results in the minimum average waiting time (over all
processes)?
Which of the algorithms results in the minimum average turnaround time (over all
processes)?

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