Unit 1 Computer and Computer Science（计算机与计算机科学） 1
Section A Computer Overview 1
Section B What Is Computer Science 11
Section C PDA Prizefight:Palm vs.Pocket PC 18
Unit 2 Computer Architecture（计算机体系结构） 29
Section A Computer Hardware 29
Section B Components of an Operating System 36
Section C System Organization 43
Unit 3 Computer Language and Programming（计算机语言与编程） 51
Section A Programming Language 51
Section B The Java Language 60
Section C Arrays 67
Unit 4 Software Development（软件开发） 74
Section A Computer Program 74
Section B Microsoft.NET vs.J2EE 84
Section C Distributed Systems 92
Unit 5 Software Process（软件过程） 100
Section A Software Process Models 100
Section B Model Driven Development 110
Section C What Is a Design Pattern 117
Unit 6 Database（数据库） 123
Section A Database Overview 123
Section B Maintaining Database Integrity 133
Section C NET Data Access Architecture 139
Unit 7 Computer Communications（计算机通信） 149
Section A Telecommunications and Computer 149
Section B Communicating with Other Devices 156
Section C ATM and Its Advantages 163
Unit 8 Computer Network（计算机网络） 171
Section A Network Fundamentals 171
Section B A Guide to Network Topology 180
Section C Network Connecting Devices 186
Unit 9 The Internet（因特网） 192
Section A The Internet 192
Section B The LayeredApproach to Internet Software 201
Section C Web Basics 208
Unit 10 Cyberculture（计算机文化） 216
Section A Using E-Mail 216
Section B Designing Websites 226
Section C Web 2.0 and Its Economic Implications 235
Unit 11 Electronic Commerce（电子商务） 243
Section A Electronic Commerce 243
Section B Basic Functions of Electronic Commerce Software 252
Section C Online Shopping 259
Unit 12 Computer Security（计算机安全） 266
Section A Computer Securi 266
Section B Antivirus Software 275
Section C Through a Hacker's Eyes 281
Glossary（词汇表） 287
Abbreviations（缩略语表） 317