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Complete A Guideto IT Hardware andSoftwareA CompTIA A Core 1 (220-1001) &CompTIA A Core 2 (220-1002) TextbookEIGHTH EDITIONCHERYL A. SCHMIDTFLORIDA STATE COLLEGE AT JACKSONVILLE
iiComplete A Guide to IT Hardware and Software, Eighth EditionComplete A Guide to IT Hardware and Software,Eighth EditionCopyright 2020 by Pearson Education, Inc.All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, ortransmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, withoutwritten permission from the publisher. No patent liability is assumed with respect to the use of theinformation contained herein. Although every precaution has been taken in the preparation of thisbook, the publisher and author assume no responsibility for errors or omissions. Nor is any liabilityassumed for damages resulting from the use of the information contained herein.ISBN-13: 978-0-7897-6050-0ISBN-10: 0-7897-6050-9Library of Congress Control Number: 2019930917ScoutAutomatedPrintCodeTrademarksAll terms mentioned in this book that are known to be trademarks or service marks have beenappropriately capitalized. Pearson IT Certification cannot attest to the accuracy of this information.Use of a term in this book should not be regarded as affecting the validity of any trademark orservice mark.Warning and DisclaimerEvery effort has been made to make this book as complete and as accurate as possible, but nowarranty or fitness is implied. The information provided is on an “as is” basis. The author and thepublisher shall have neither liability nor responsibility to any person or entity with respect to any lossor damages arising from the information contained in this book.Special SalesFor information about buying this title in bulk quantities, or for special sales opportunities (whichmay include electronic versions; custom cover designs; and content particular to your business,training goals, marketing focus, or branding interests), please contact our corporate sales departmentat corpsales@pearsoned.com or (800) 382-3419.For government sales inquiries, please contact governmentsales@pearsoned.com.For questions about sales outside the U.S., please contact intlcs@pearson.com.Editor-in-ChiefMark TaubExecutive EditorMary Beth RaySenior EditorJames ManlyDevelopment EditorEllie C. BruManaging EditorSandra SchroederProject EditorMandie FrankIndexerKen JohnsonProofreaderDebbie WilliamsTechnical Editor andContributorsChris CraytonJeff BurnsMelodie SchmidtKarl SchmidtElizabeth DrakePublishing CoordinatorCindy TeetersCover DesignerChuti PrasertsithCompositorTricia BronkellaArt ProductionJustin AcheKatherine MartinMarc DurrenceAmanda McIntoshKC FrickVived GraphicsPhotographersRaina DurrenceGeorge Nichols
Contents at a GlanceContents at a GlanceIntroduction . xxivFeatures of this Book .xxviChapter 1: Introduction to the World of IT .1Chapter 2: Connectivity .33Chapter 3: On the Motherboard .71Chapter 4: Introduction to Configuration . 115Chapter 5: Disassembly and Power . 161Chapter 6: Memory . 211Chapter 7: Storage Devices .251Chapter 8: Multimedia Devices. 313Chapter 9: Printers .359Chapter 10: Mobile Devices . 419Chapter 11: Computer Design and Troubleshooting Review.527Chapter 12: Internet Connectivity, Virtualization, and Cloud Technologies .573Chapter 13: Networking . 619Chapter 14: Introduction to Operating Systems .723Chapter 15: Introduction to Scripting.769Chapter 16: Advanced Windows . 831Chapter 17: macOS and Linux Operating Systems . 917Chapter 18: Computer and Network Security .959Chapter 19: Operational Procedures . 1039Appendix A: Subnetting Basics .1085Appendix B: Certification Exam Objectives (Online)Glossary .1089Index. 1153iii
ivComplete A Guide to IT Hardware and Software, Eighth EditionContentsIntroduction . xxivFeatures of this Book . xxviChapter 1: Introduction to the World of IT . 1Who Needs This Book?.2Technician Qualities .2Breaking into IT with the CompTIA A Certification .5Basic Skills for This Course .6Types of Computers.9Basic Computer Hardware .9Mice and Keyboards .16Common Peripherals .181s and 0s .21Safety Notes .25Chapter Summary .25Key Terms .26Review Questions .27Exercises .29Exercise 1.1 Identifying Tower Computer Parts .29Exercise 1.2 Identifying Computer Parts .30Activities .30Internet Discovery .30Soft Skills .31Critical Thinking Skills .31Chapter 2: Connectivity .33Introduction to Connectivity .34External Connectivity .34Mouse and Keyboard Ports .34Video Ports .35Audio Ports .50eSATA Ports .51Network Ports .51Modem and Serial Ports .52Network Cabling .54Integrated Motherboard Ports .57Getting to Know Ports .58Wireless Connectivity for Input Devices .59Chapter Summary .61Key Terms .62Review Questions .64Exercises .65Exercise 2.1 Identifying Computer Ports.65Exercise 2.2 Identifying More Computer Ports .66Exercise 2.3 Identifying Display Ports .66Exercise 2.4 Identifying Cables .67
ContentsActivities .67Internet Discovery .67Soft Skills .68Critical Thinking Skills .69Chapter 3: On the Motherboard .71Introduction to the Motherboard .72Processor Overview .72Processor Basics .73Speeding Up Processor Operations Overview .76Cache .77Clocking .
No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. No patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this book, the publisher and .
