计算机英语PDF电子书下载

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