Consider the following table that contains the CPU and I/O burst times, and arrival times of the given processes. Processes P1 P2 P3 CPU CPU I/O 2 5 7 I/O 9 3 2 CPU 8 1 5 Arrival time 4 3 Using the SRTF scheduling algorithm draw the Gantt charts for CPU (one core system), and draw the IO gantt chart assume that only one I/O device is available and operates in FCFS manner: 0

Consider the following table that contains the CPU and I/O burst times, and arrival times of the given processes. Processes P1 P2 P3 CPU CPU I/O 2 5 7 I/O 9 3 2 CPU 8 1 5 Arrival time 4 3 Using the SRTF scheduling algorithm draw the Gantt charts for CPU (one core system), and draw the IO gantt chart assume that only one I/O device is available and operates in FCFS manner: 0

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

Fundamentals of memory

A collection of connected storage devices form the memory unit. It is a space to store data and instructions required for processing. Information is stored in a memory unit in the form of bits. There are two types of memory namely:

Question

Based on your charts above compute the following:
Waiting time
Turnaround time
P1
Calculate CPU utilization?
P2
P3

Consider the following table that contains the CPU and I/O burst times, and arrival times of the
given processes.
Processes
P1
P2
P3
CPU
CPU
I/O
2
5
7
I/O
9
3
2
CPU
8
1
5
Arrival time
4
Using the SRTF scheduling algorithm draw the Gantt charts for CPU (one core system), and
draw the IO gantt chart assume that only one I/O device is available and operates in FCFS
manner:
0

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Suppose that we have the table below that includes four processes with their Arrival times and Burst times, and a Round Robin of time quantum 1 millisecond to be used for CPU scheduling. Answer the following questions: Process Arrival CPU-burst ID time time P1 0 1 P2 3 3 P3 2 4 P4 4 3 Completion Time Response Turn Around Time Time Waiting Time a. Draw the Gantt chart. b. Complete the above table. c. Calculate the average waiting time.
Ex1: Consider the following process arrival, CPU and 1/O burst times. Assume that only I/O device is available and it operates in FCFS manner. Assume that there is only one CPU and it uses SRTF algorithm. Process Arrival time CPU 1/0 CPU A 2 9 8 B 3. 5 1 C 7 2 Draw the Gantt charts for the CPU and I/O device to compute the waiting time and turnaround time (tat) of all processes and CPU utilization. Put your answers into the table given below CPU Gantt Chart 1/0 Gantt Chart Wait (A) Wait (B) Wait (C) Tat(A) Tat(B) Tat(C) CPU Utilization
Correctly arrange them in the order in which they are carried out to handle the interruption of a running user process by assigning a number from 1 through 9 to indicate the precedence order for the following steps.For example, 1 would indicate the first step in the process, 2 would indicate the second in theprocess and so on.
Given table consists of five processes with length of the CPU burst provided in milli seconds. Show all the calculations by applying Round-Robin scheduling algorithm with a time quantum of 4 milli seconds. Processes Burst Time (ms) Pa 17 Pb 8 Pc 12 Pd 5 Pe 12 Draw a Gantt chart to show round-robin scheduling. Calculate the waiting time for each process. Calculate the average waiting time.