Chapter Ⅰ An Overview： Computers, Devices, and the Web 1.1 Categories, Components, and Application 1.2 Mobile Devices 1.3 The Web 1.4 Internet Security and Threats 1.5 Wired and Wireless Communications 1.6 Today's Technology Key Terms Exercises Chapter Ⅱ Hardware inside the Computer： The Components of the Inner Computer 2.1 Chassis 2.2 The Motherboard 2.3 CPU （Processors） 2.4 Memory 2.5 Hard Disk 2.6 Power Supply Unit (PSU） 2.7 Adapter Cards, Buses, and Ports Key Terms Exercises Chapter Ⅲ Computer Peripheral Devices and Accessories： Input, Output, and Storage 3.1 The Classification of Computer Peripheral Devices 3.2 Input 3.3 Output 3.4 Storage Key Terms Exercises Chapter Ⅳ Computer Software 4.1 Computer Software in General 4.2 Operating System 4.3 Utility Software 4.4 Application Software 4.5 Internationalization and Localization Key Terms Exercises Chapter Ⅴ Data, Security, Ethics, and Privacy： Threats, Defenses, and Maintenance 5.1 Data, Information, and Database 5.2 Computer Security Threats 5.3 Cyber Criminals 5.4 Computer Ethics 5.5 Information Privacy 5.6 Computer Security Defenses 5.7 Maintenance Key Terms Exercises Chapter Ⅵ Communicating and Connecting Online： Networks, Internet, and Websites 6.1 A Brief History of Networks and the Internet 6.2 The Development History of WWW 6.3 The Purpose of Networks 6.4 LANs and WANs 6.5 IP Address and Domain Names …… Chapter Ⅶ Smartphone Chapter Ⅷ Artificial Intelligence Technology Acronym Bibliography