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Part Ⅰ Computer Basis 1

Unit 1　Computer System 1

Section A　Overview of Computer System 1

Section B　The I/O Devices of PCs 6

Section C　Multimedia Computer System 10

参考译文 14

Unit 2　Storage Devices 20

Section A　Overview of Memory Products 20

Section B　Disk 23

Section C CD and DVD 25

参考译文 28

Unit 3　Operating System 31

Section A　Overview of Operating System 31

Section B　Windows Vista 35

Section C　What is Linux 38

参考译文 41

Unit 4　Application Software 47

Section A　Application Software 47

Section B MS Office and Office Automation 50

Section C　Others 53

参考译文 56

Part Ⅱ Software Engineering 60

Unit 5　Software Life Cycle 60

Section A　Software Life Cycle 60

Section B　Distinguishing Software and Program 64

Section C　Distinguishing Software from Hardware 65

参考译文 67

Unit 6　Software Development 70

Section A　Software Development 70

Section B　Waterfall Model and Structured Programming Philosophy 73

Section C Geyser Model and Object-Oriented Developing Method 75

参考译文 78

Unit 7　Computer Language and Programming 82

Section A　Programming Languages 82

Section B　Visual C++ and MFC Basis 85

Section C　The Java Language 89

参考译文 92

Unit 8　Database 96

Section A　Enter The World of Relational Databases 96

Section B　Database Objects of SQL Server 100

Section C　Delphi Database Architecture 103

参考译文 106

Unit 9　Distributed Systems 111

Section A　Distributed Computer Systems 111

Section B　Client/Server 115

Section C　Browser/Server 118

参考译文 121

Part Ⅲ　Networks and Communications 126

Unit 10　Telecommunications and Information Superhighway 126

Section A　Telecommunications and Computer 126

Section B　Internet and Information Superhighway 130

Section C　ATM and Its Advantages 133

参考译文 136

Unit 11　Computer Networks 140

Section A　Overview of Computer Networks 140

Section B　LAN Design 143

Section C　WLAN 145

参考译文 147

Unit 12　Transmitting Media 150

Section A　Transmitting Media 150

Section B　Twisted Pair 154

Section C　Fiber 156

参考译文 159

Unit 13　Network Infrastructure 162

Section A　Network Topologies 162

Section B　The Basis of OSI Reference Model and TCP/IP Model 165

Section C　Network-Layered Protocols 167

参考译文 170

Unit 14　Internet 173

Section A　How Does the Internet Work 173

Section B　What's Web Page 177

Section C　What's E-mail 180

参考译文 183

Unit 15　Practical ADSL Techniques 188

Section A　Internet ADSL Connection of A Computer 188

Section B　The Optimization of Internet ADSL Connection 193

Section C　The Techniques of Internet ADSL Connection Sharing 196

参考译文 200

Unit 16　Security Technologies 204

Section A　Computer Security 204

Section B　Computer Virus 208

Section C　Hacker 211

参考译文 215

Part Ⅳ　IT and Our Life 220

Unit 17　IT and Computer Application 220

Section A　Information Revolution 220

Section B　Geographic Information System 223

Section C　Management Information Systems 226

参考译文 230

Unit 18　E-Commerce 234

Section A　Electronic Commerce Introduction 234

Section B　The Evolution of E-Commerce 237

Section C　Setting Goals for Your Online Business 240

参考译文 243

Unit 19　E-Government 247

Section A　E-Government 247

Section B　The Architecture of E-Government Networks 250

Section C　SGAP Technology 253

参考译文 257

Appendix Ⅰ Abbreviations 261

Appendix Ⅱ　The Reference Answers for Exercises 277