Process Scheduling in Operating System. All of the information is below Consider the following arrivals of processes in an interactive system.(a) Draw three timelines that illustrate the execution of these processes usingi. shortest job first, SJFii. nonpreemptive priority, NPP — a smaller number has a higher priorityiii. round-robin, RR, with time slice 2. process arrival time CPU timeP₁₂P2P3PAP5P6003488334231priority212312If there is a tie (same CPU time for SJF or same priority for NPP), use first-in-first-out(FIFO) to break the tie. For RR scheduling, if P₁ is removed from the CPU and put inthe waiting queue just when P3 arrives, P3 will be ahead of P₁ in the queue.(b) What is the average waiting time for RR?

the solution is an given below ;

Answered: Draw three timelines that illustrate…

Draw three timelines that illustrate the execution of these processes using i. shortest job first, SJF ii. nonpreemptive priority, NPP - a smaller number has a higher priority

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

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Concept explainers

Types of database architectures

A Database Architecture represents the Database Management System’s (DBMS) design (schema). The DBMS architecture makes it easy to understand the components involved in the database system and their relations. The DBMS architecture may vary based on the system on which it runs. Some systems contain both client and server machines whereas some run only on a server machine. Based on the architecture, the system can be classified as centralized, decentralized, or hierarchical.

Question

Process Scheduling in Operating System. All of the information is below

Consider the following arrivals of processes in an interactive system.
(a) Draw three timelines that illustrate the execution of these processes using
i. shortest job first, SJF
ii. nonpreemptive priority, NPP — a smaller number has a higher priority
iii. round-robin, RR, with time slice 2.

process arrival time CPU time
P₁₂
P2
P3
PA
P5
P6
0
0
3
4
8
8
3
3
4
2
3
1
priority
2
1
2
3
1
2
If there is a tie (same CPU time for SJF or same priority for NPP), use first-in-first-out
(FIFO) to break the tie. For RR scheduling, if P₁ is removed from the CPU and put in
the waiting queue just when P3 arrives, P3 will be ahead of P₁ in the queue.
(b) What is the average waiting time for RR?

Software system that manages computer hardware, software resources, and provide common services for computer programs.

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