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Contents
Chapter Summary ...................................................................................................................... 463
Key Terms .................................................................................................................................... 464
Review Questions ....................................................................................................................... 464
Exercises ....................................................................................................................................... 465
Lab 10.1 Computer System Design ........................................................................ 465
Lab 10.2 Design Components .................................................................................. 467
Lab 10.3 Subsystem Design Components ............................................................ 468
Activities ....................................................................................................................................... 469
Chapter 11: Basic Operating Systems ....................................................................................471
Basic Operating Systems Overview ........................................................................................ 472
Basic Windows Usage Overview .............................................................................................. 474
Basic Mobile Device Usage ....................................................................................................... 480
Managing Windows Files and Folders ................................................................................... 484
Attributes, Compression, and Encryption ............................................................................ 488
Determining the Windows Version ........................................................................................ 490
Windows Registry ....................................................................................................................... 490
Editing the Windows Registry ................................................................................................. 491
Recovering the Windows OS ................................................................................................... 492
Recovering a Mobile OS ............................................................................................................ 493
Virtualization Basics .................................................................................................................. 493
Recovery Console/WinRE ......................................................................................................... 494
Command Prompt Overview ................................................................................................... 495
Command Prompt Basics ......................................................................................................... 496
Moving Around from a Command Prompt .......................................................................... 498
The TYPE Command ................................................................................................................. 498
Copying Files ............................................................................................................................... 499
The ATTRIB Command ........................................................................................................... 500
Why Learn Commands? ............................................................................................................ 500
Command Format ...................................................................................................................... 500
Soft Skills—Staying Current ................................................................................................... 516
Chapter Summary ...................................................................................................................... 517
Key Terms .................................................................................................................................... 517
Review Questions ....................................................................................................................... 518
Exercises ....................................................................................................................................... 519
Lab 11.1 XP Basic Usage ........................................................................................... 519
Lab 11.2 Windows Vista/7 Basic Usage .................................................................. 526
Lab 11.3 Introduction to Mobile Operating Systems ........................................ 536
Lab 11.4 Windows XP/Vista/7 Taskbar Options ................................................... 537
Lab 11.5 Windows XP/Vista/7 File and Folder Management ........................... 540
Lab 11.6 Managing Files on a Mobile Device ...................................................... 545
Lab 11.7 Windows XP/Vista/7 File Extension ...................................................... 546
Lab 11.8 Windows XP/Vista/7 Attributes, Compression, and
Encryption ................................................................................................................... 547
Lab 11.9 Using REGEDIT in Windows XP/Vista/7 ................................................. 550
- Guide to PCs 2
- Complete CompTIA 3
- Contents at a Glance 4
- Contents 10
- Contents 11
- About the Author 19
- Dedication 20
- Acknowledgments 20
- We Want to Hear from You! 21
- Reader Services 21
- It Pays to Get Certified 22
- CompTIA Career Pathway 23
- Steps to Certication 23
- Content Seal of Quality 24
- Why CompTIA? 24
- Introduction 25
- Organization of the Text 26
- Features of This Book 27
- IT work 31
- CompTIA A+ Exam Objectives 32
- CompTIA Exam Objectives 33
- Disassembly 36
- Disassembly Overview 37
- Electrostatic Discharge (ESD) 37
- Opening the Case 41
- Cables and Connectors 41
- Snug connections 43
- Storage Devices 45
- Motherboards 46
- Mobile Device Issues 47
- Reassembly 49
- Preventive Maintenance 49
- Basic Electronics Overview 51
- Electronics Terms 51
- Good connection Broken wire 53
- Power Supply Overview 54
- Power Supply Form Factors 55
- Tech Tip 56
- Purposes of a Power Supply 58
- Power Supply Voltages 60
- Mobile Device Power 61
- Keep Li-ion batteries cool 63
- Power Interface) 64
- Windows power management 65
- Watch the wattage 68
- Solving Power Supply Problems 70
- Adverse Power Conditions 71
- Adverse Power Protection 72
- Surge Protectors 72
- Line Conditioners 74
- Figure 4.32 Line conditioner 75
- Figure 4.33 Sine wave and 75
- Standby Power Supply (SPS) 77
- Electrical Fires 78
- Computer Disposal/Recycling 79
- Chapter Summary 81
- Review Questions 82
- Exercises 85
- External Cables 86
- Computer Case Removal 86
- Adapter Placement 86
- Motherboard 88
- Lab 4.3 Amps and Wattage 89
- Lab 4.4 Continuity Check 89
- Lab 4.5 Pin-Out Diagramming 90
- Lab 4.6 Fuse Check 91
- Lab 4.7 Using a Multimeter 91
- Figure 4.38 AC outlet 93
- GND to hot 120VAC 93
- GND to neutral 0VAC 93
- Hot to neutral 120VAC 93
- +5 volts 95
- +12 volts 95
- Activities 97
- Critical Thinking Skills 99
- A+ Certification Exam Tips 99
- Complete PC Restore tool 107
- FireWire 114
- IRQs (Interrupt Requests) 120
- PBs (petabytes) 129
- Setup program 136
- SSDs (solid state drives) 138
- SSDs (solid state drives) 139
- TBs (terabytes) 140
- troubleshooting 143
- video 145
- Windows 147
- Windows Vista 148
- Windows Vista 149
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