Complete A+ Guide to IT Hardware and Software

Complete A+ Guide

to IT Hardware and

Software

A CompTIA A+ Core 1 (220-1001) &

CompTIA A+ Core 2 (220-1002) Textbook

EIGHTH EDITION

CHERYL A. SCHMIDT

FLORIDA STATE COLLEGE AT JACKSONVILLE

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Complete A+ Guide to IT Hardware and Software, Eighth Edition

Complete A+ Guide to IT Hardware and Software,

Eighth Edition

Copyright ? 2020 by Pearson Education, Inc.

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book, the publisher and author assume no responsibility for errors or omissions. Nor is any liability

assumed for damages resulting from the use of the information contained herein.

ISBN-13: 978-0-7897-6050-0

ISBN-10: 0-7897-6050-9

Library of Congress Control Number: 2019930917

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Editor-in-Chief

Mark Taub

Executive Editor

Mary Beth Ray

Senior Editor

James Manly

Development Editor

Ellie C. Bru

Managing Editor

Sandra Schroeder

Project Editor

Mandie Frank

Indexer

Ken Johnson

Proofreader

Debbie Williams

Technical Editor and

Contributors

Chris Crayton

Jeff Burns

Melodie Schmidt

Karl Schmidt

Elizabeth Drake

Publishing Coordinator

Cindy Teeters

Cover Designer

Chuti Prasertsith

Compositor

Tricia Bronkella

Art Production

Justin Ache

Katherine Martin

Marc Durrence

Amanda McIntosh

KC Frick

Vived Graphics

Photographers

Raina Durrence

George Nichols

Contents at a Glance

Contents at a Glance

Introduction ...................................................................................................... xxiv

Features of this Book ...............................................................................xxvi

Chapter 1: Introduction to the World of IT ............................................................1

Chapter 2: Connectivity .......................................................................................33

Chapter 3: On the Motherboard ...........................................................................71

Chapter 4: Introduction to Con?guration ........................................................... 115

Chapter 5: Disassembly and Power .................................................................... 161

Chapter 6: Memory ............................................................................................ 211

Chapter 7: Storage Devices ................................................................................251

Chapter 8: Multimedia Devices.......................................................................... 313

Chapter 9: Printers .............................................................................................359

Chapter 10: Mobile Devices ............................................................................... 419

Chapter 11: Computer Design and Troubleshooting Review..............................527

Chapter 12: Internet Connectivity, Virtualization, and Cloud Technologies .....573

Chapter 13: Networking ..................................................................................... 619

Chapter 14: Introduction to Operating Systems .................................................723

Chapter 15: Introduction to Scripting.................................................................769

Chapter 16: Advanced Windows ........................................................................ 831

Chapter 17: macOS and Linux Operating Systems ............................................ 917

Chapter 18: Computer and Network Security ....................................................959

Chapter 19: Operational Procedures ................................................................ 1039

Appendix A: Subnetting Basics .......................................................................1085

Appendix B: Certification Exam Objectives (Online)

Glossary ...........................................................................................................1089

Index................................................................................................................. 1153

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Complete A+ Guide to IT Hardware and Software, Eighth Edition

Contents

Introduction ........................................................................................................................ xxiv

Features of this Book ................................................................................................................................................................... xxvi

Chapter 1: Introduction to the World of IT ................................................................................... 1

Who Needs This Book?.........................................................................................................................................2

Technician Qualities ..............................................................................................................................................2

Breaking into IT with the CompTIA A+ Certification .........................................................................................5

Basic Skills for This Course ..................................................................................................................................6

Types of Computers...............................................................................................................................................9

Basic Computer Hardware ....................................................................................................................................9

Mice and Keyboards ............................................................................................................................................16

Common Peripherals ...........................................................................................................................................18

1s and 0s ..............................................................................................................................................................21

Safety Notes ........................................................................................................................................................25

Chapter Summary ................................................................................................................................................25

Key Terms ............................................................................................................................................................26

Review Questions ................................................................................................................................................27

Exercises ..............................................................................................................................................................29

Exercise 1.1 Identifying Tower Computer Parts ...................................................................................29

Exercise 1.2 Identifying Computer Parts ..............................................................................................30

Activities ..............................................................................................................................................................30

Internet Discovery .................................................................................................................................30

Soft Skills ..............................................................................................................................................31

Critical Thinking Skills .........................................................................................................................31

Chapter 2: Connectivity ...........................................................................................................33

Introduction to Connectivity ...............................................................................................................................34

External Connectivity ..........................................................................................................................................34

Mouse and Keyboard Ports .................................................................................................................................34

Video Ports ..........................................................................................................................................................35

Audio Ports ..........................................................................................................................................................50

eSATA Ports ........................................................................................................................................................51

Network Ports ......................................................................................................................................................51

Modem and Serial Ports ......................................................................................................................................52

Network Cabling .................................................................................................................................................54

Integrated Motherboard Ports ..............................................................................................................................57

Getting to Know Ports .........................................................................................................................................58

Wireless Connectivity for Input Devices ............................................................................................................59

Chapter Summary ................................................................................................................................................61

Key Terms ............................................................................................................................................................62

Review Questions ................................................................................................................................................64

Exercises ..............................................................................................................................................................65

Exercise 2.1 Identifying Computer Ports..............................................................................................65

Exercise 2.2 Identifying More Computer Ports ................................................................................66

Exercise 2.3 Identifying Display Ports .............................................................................................66

Exercise 2.4 Identifying Cables ............................................................................................................67

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