Unit 1 About Computer 1 Text 1 Can You Recognize Them? 1 Text 2 Communicate with Computer 4 Text 3 Simple Introduction of Installation 7 Text 4 Simple Introduction of Processor 11 Unit 2 More about Computer 19 Text 1 Guess What It is 19 Text 2 What does a Computer Look Like? 21 Text 3 Introduction of a Window 24 Text 4 Learning Computer Knowledge All by Yourself 28 Unit 3 Brief Introduction of Computer 33 Text 1 Do You have a Computer? 33 Text 2 Components of Computer 38 Text 3 Kinds of Computers 41 Text 4 Generations of Electronic Computer 46 Unit 4 The Fundamentals of Computer Hardware 53 Text 1 Organization of Computer System Components 53 Text 2 CPU 56 Text 3 Motherboard 61 Text 4 Storage 65 Unit 5 Office Automation 70 Text 1 Fundamentals of Office Automation 70 Text 2 Microsoft Office 2000 75 Text 3 Microsoft Word 2000 80 Text 4 Electronic Commerce 85 Unit 6 Multimedia 94 Text 1 What is Multimedia? 94 Text 2 Uses for Multimedia 97 Text 3 Digital Video 101 Unit 7 The Fundamentals of Computer Software 110 Text 1 Data Structure 110 Text 2 Operating Systems 114 Text 3 Windows 2000 Overview 118 Unit 8 Computer Networking 126 Text 1 Data Communications 126 Text 2 Architecture of Computer Networks 129 Text 3 Local Area Network 134 Text 4 Internet 139 Text 5 The World Wide Web 143 Unit 9 Computer Virus 152 Text 1 Virus Introduction 152 Text 2 Virus Behavior——Infection Phase 154 Text 3 Virus Behavior——Attack Phase 158 Text 4 Number of Viruses 161 Text 5 How Serious are Viruses? 165 Unit 10 Program Design 172 Text 1 Computer Languages 172 Text 2 Computer programming 175 Text 3 Visual Basic 179 Text 4 Debugging 184 Appendix: Word List 193