Which of the following are true with respect to a mutiprogrammed, time-shared (multi-tasking) environments? (Select all that apply.) Context-switching provides optimal use of the CPU by scheduling ready processes as soon as the CPU is available. Context switching is a zero cost operation. There is better performance when the multiprogramming level is very low. Critical sections and race conditions are a direct result of context switching and programs sharing memory.

A central processing unit is also called a main processor or just processor is the electronic…

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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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Which of the following are true with respect to a mutiprogrammed, time-shared (multi-tasking) environments? (Select all that apply.)

		Context-switching provides optimal use of the CPU by scheduling ready processes as soon as the CPU is available.
		Context switching is a zero cost operation.
		There is better performance when the multiprogramming level is very low.
		Critical sections and race conditions are a direct result of context switching and programs sharing memory.

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