Solve Question 20, 21, 22 showing detailly all the steps with including all explanationsAnswer Should be typewritten using a computer keyboard! 20. The Shortest Job First is a process schedulingstrategy which isA Pre-emptiveB Non pre-emptiveC Free memory space have to bereallocatedD Suitable in batch processing.21. If a new device, such as a printer or scanner, isattached to a computer, which of the followingsoftware need to be installed before the devicecan be used?A PatchB Compilere DriverD Disk Manager22. Starvation can be avoided by which of thefollowing strategies?1. By using shortest job first resource allocationpolicy.2. By using first-come, first-serve resourceallocation policy.3.By using convoy effectA 1 onlyB 1 and 2€ 2 onlyD 3 only

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Answered: 20. The Shortest Job First is a process…

20. The Shortest Job First is a process scheduling strategy which is A Pre-emptive B Non pre-emptive C Free memory space have to be reallocated D Suitable in batch processing.

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

Solve Question 20, 21, 22 showing detailly all the steps with including all explanations

Answer Should be typewritten using a computer keyboard!

20. The Shortest Job First is a process scheduling
strategy which is
A Pre-emptive
B Non pre-emptive
C Free memory space have to be
reallocated
D Suitable in batch processing.
21. If a new device, such as a printer or scanner, is
attached to a computer, which of the following
software need to be installed before the device
can be used?
A Patch
B Compiler
e Driver
D Disk Manager
22. Starvation can be avoided by which of the
following strategies?
1. By using shortest job first resource allocation
policy.
2. By using first-come, first-serve resource
allocation policy.
3.By using convoy effect
A 1 only
B 1 and 2
€ 2 only
D 3 only

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