Introduction xxv Assessment Test xxxiv Chapter 1 Core Hardware Components 1 Introducing Internal Components 3 Exploring Motherboards, Processors, and Memory 4 Motherboards 4 Processors 22 Memory 27 Exploring Storage and Expansion Devices 34 Storage Devices 34 Other Internal Expansion Devices 47 Exploring Power and Cooling 52 Power Supplies 52 Cooling Systems 55 Summary 58 Exam Essentials 59 Chapter 1 Lab 60 Review Questions 62 Chapter 2 Peripherals and Connectors 67 Installing and Configuring Audio and Video Devices 70 Audio Connectors 71 Display Devices and Connectors 73 Understanding External Storage and Communications Connectors 88 External Storage Devices 88 Communications Connectors 96 Understanding Input, Output, and Power Devices 101 Keyboards 101 Pointing Devices 105 Uninterruptible Power Supplies 112 Printers 114 Understanding Installation Basics 124 Internal Devices 124 External Devices 125 IP- and Web-Based Devices 125 Reviewing Connector Types 127 Summary 128 Exam Essentials 129 Chapter 2 Lab 130 Review Questions 131 Chapter 3 Computing Devices and the Internet of Things 135 Exploring Larger Computing Devices 138 Servers and Workstations 138 Laptops 140 Exploring Handheld and Mobile Devices 147 Comparing and Contrasting Mobile Devices 148 Using Mobile Devices 150 Understanding Augmented and Virtual Reality 176 Exploring Gaming Consoles 179 Understanding the Internet of Things 182 A Brief History of the Internet of Things 182 Consumer Uses 183 Commercial Uses 189 Potential Issues 191 Summary 193 Exam Essentials 193 Chapter 3 Lab 194 Review Questions 195 Chapter 4 Operating Systems 199 Operating System Fundamentals 201 A Brief History of Operating Systems 202 Basic Functions of Operating Systems 206 Types of Operating Systems 210 Managing an Operating System 228 Managing Features and Interfaces 229 Managing Folder and File Structures 248 Summary 264 Exam Essentials 264 Chapter 4 Lab 265 Review Questions 270 Chapter 5 Software Applications 275 Understanding Application Installation and Management 277 Considerations for Installing Software 278 Installing and Uninstalling Software 285 Updating and Patching Software 293 Exploring Common Application Types 299 File Extensions 299 Productivity Software 302 Collaboration Software 307 Utility Software 310 Using Web Browsers 323 Configuring Web Browsers 323 Understanding Basic Browser Security 336 Private Browsing 343 Summary 344 Exam Essentials 345 Chapter 5 Lab 346 Review Questions 348 Chapter 6 Software Development 353 Exploring Programming Languages 355 Assembly Language 356 Compiled Languages 362 Interpreted Languages 364 Query Languages 368 Understanding Programming Concepts and Techniques 369 Programming Logic 370 Organizing Code 373 Summary 377 Exam Essentials 378 Chapter 6 Lab 379 Review Questions 380 Chapter 7 Database Fundamentals 385 Understanding Databases 387 Exploring Database Concepts and Structures 388 Working With Databases 398 Summary 411 Exam Essentials 412 Chapter 7 Lab 412 Review Questions 415 Chapter 8 Networking Concepts and Technologies 419 Exploring Connection Types and Features 422 Choosing External Network Connections 423 Choosing Internal Network Connections 435 Understanding Network Connectivity Essentials 444 Common Networking Devices 444 Networking Protocol Basics 449 TCP/IP Essentials 449 Network Storage Options 459 Setting Up a Small Wireless Network 463 Basic Configuration 463 Wireless Router Security 469 Additional Wireless Router Services 472 Summary 476 Exam Essentials 477 Chapter 8 Lab 478 Part 1: Setting Up Your Wireless Router 478 Part 2: Testing Your Neighbors 479 Review Questions 480 Chapter 9 Cloud Computing and Artificial Intelligence 485 Understanding Virtualization and Cloud Computing 486 Virtual Machines 487 Cloud Computing 492 Exploring Artificial Intelligence 498 How AI Works 499 Types of AI 501 Summary 509 Exam Essentials 509 Chapter 9 Lab 510 Review Questions 512 Chapter 10 Security Concepts and Threats 517 Understanding Hackers and Motives 519 Understanding Security Threats 523 Confidentiality Concerns 524 Integrity Concerns 530 Availability Concerns 531 Privacy Expectations 534 Software-Based Security Threats 538 Understanding Access Control 546 Authentication 546 Authorization 549 Accounting 551 Nonrepudiation 553 Summary 554 Exam Essentials 554 Chapter 10 Lab 556 Review Questions 557 Chapter 11 Security Best Practices 561 Understanding Security Best Practices 564 Device Hardening 564 Managing Users and Passwords 591 Using Data Encryption 597 Summary 607 Exam Essentials 608 Chapter 11 Lab 609 Review Questions 611 Chapter 12 Data Continuity and Computer Support 615 Understanding Data Continuity 616 Fault Tolerance 616 Disaster Recovery 631 Exploring Computer Support Concepts 633 Understanding the Troubleshooting Methodology 633 Troubleshooting Examples 645 Summary 666 Exam Essentials 666 Chapter 12 Lab 667 Review Questions 669 Appendix A Answers to Written Labs 673 Chapter 1 Lab Answers 674 Chapter 2 Lab Answers 674 Chapter 3 Lab Answers 675 Chapter 4 Lab Answers 675 Chapter 5 Lab Answers 676 Chapter 6 Lab Answers 676 Chapter 7 Lab Answers 677 Chapter 8 Lab Answers 677 Chapter 9 Lab Answers 678 Chapter 10 Lab Answers 679 Chapter 11 Lab Answers 679 Chapter 12 Lab Answers 680 Appendix B Answers to Review Questions 681 Chapter 1: Core Hardware Components 682 Chapter 2: Peripherals and Connectors 683 Chapter 3: Computing Devices and the Internet of Things 685 Chapter 4: Operating Systems 686 Chapter 5: Software Applications 687 Chapter 6: Software Development 688 Chapter 7: Database Fundamentals 690 Chapter 8: Networking Concepts and Technologies 691 Chapter 9: Cloud Computing and Artificial Intelligence 692 Chapter 10: Security Concepts and Threats 694 Chapter 11: Security Best Practices 695 Chapter 12: Data Continuity and Computer Support 697 Index 699.