IC3

Introduction xiii Assessment Test xxiii Chapter 1 Understanding Operating Systems 1 Operating Systems and Their Roles When Using Computers and Devices 3 What Is Hardware? 3 What Is Software? 4 What Is an Operating System? 4 How Do They All Work Together? 5 Accessing and Locking the Operating System 7 Software and System Updates 10 Working with Files, Folders, and Libraries 15 Accessing Your Files and Folders 16 Understanding File Types 20 Managing Your Files and Folders 22 Customizing Your Computer 30 Customizing the Desktop 30 Understanding User Accounts 43 Summary 49 Exam Essentials 50 Key Terms 50 Review Questions 51 Chapter 2 Understanding Hardware 53 The Internal Hardware Components of a Computer 55 Peripheral Devices That Can Be Connected to a Computer 57 The Most Common Types of Computers and Devices 60 How Information Is Transmitted inside a Computer 63 How to Evaluate the Performance of a Computer or Device 64 Summary 69 Exam Essentials 70 Key Terms 70 Review Questions 72 Chapter 3 Understanding Software 75 The Dependencies between Hardware and Software 77 Installing, Removing, or Reinstalling Software 79 Software Licensing and Its Implications 89 The Most Common Types of Office Applications 94 Using Templates to Get Started with an Application 96 Personal Entertainment Applications 99 Compressing Files to Save Space 99 Optimizing Your Computer's Hard Disk Performance 101 Protecting Yourself from Malware 106 Summary 107 Exam Essentials 108 Key Terms 109 Review Questions 110 Chapter 4 Troubleshooting Problems with Your Computer 113 Dealing with Problems Caused by Software 115 Dealing with Incompatibilities between the Operating System Version and Your Applications 116 Dealing with Unresponsive Applications 119 Dealing with Applications That Consume Too Many Resources 122 Dealing with Malware Infections 124 Using Safe Mode to Fix Problems with Windows 127 Finding Help Online 129 Dealing with Problems Caused by Hardware 130 Dealing with Problems Caused by Cables and Connectors 130 Upgrading the Firmware for Your Computer's Components and Peripherals 131 Dealing with Drivers for Your Computer's Hardware 133 Creating Your Own Backup System 138 Backing Up Your Data with Backup and Restore 138 Restoring Your Data with Backup and Restore 143 Backing Up Your Data to the Cloud with OneDrive 148 Summary 154 Exam Essentials 154 Key Terms 155 Review Questions 156 Appendix A Answers to Review Questions 159 Appendix B Using the Practice Files 165 Index 167