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Essentials of Computer Organization and Architecture, 5th Edition
book

Essentials of Computer Organization and Architecture, 5th Edition

by Linda Null, Julia Lobur
March 2018
Beginner content levelBeginner
744 pages
26h 5m
English
Jones & Bartlett Learning
Content preview from Essentials of Computer Organization and Architecture, 5th Edition

CHAPTER7

Input/Output Systems

“Who is General Failure and why is he reading my disk?”

—Anonymous

7.1   INTRODUCTION

One could easily argue that computers are more useful to us as appliances for information storage and retrieval than they are as instruments of computation. Indeed, without having some means of getting data into the computer and information out of it, we have little use at all for a CPU and memory. We interact with these components only through the I/O devices connected to them.

With personal systems, for example, a keyboard and mouse are the primary user input devices. A standard monitor is an output-only device that presents results to the user. Although most printers provide device status information to the host system ...

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Publisher Resources

ISBN: 9781284123043