Unit 1 History of Computer 1
Unit 2 The Computer's Components 17
Unit 3 Operating System 30
Unit 4 Database System 45
Unit 5 Programming Language 60
Unit 6 Network and Internet 78
Unit 7 Information Security 96
Unit 8 Multimedia and Computer Games 113
Unit 9 E-Business 126
Unit 10 Future of Computer 141
Appendix A:Specialist English and Translation Skills 155
Appendix B:Screen Prompt Message 185
Appendix C:Index of Basic Vocabulary 199
Appendix D:Concise Explanation of Common Abbr 208