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Unit 1

Text A Hardware(1) 1

New Words 4

Phrases 7

Abbreviations 7

Notes 8

Exercises 9

Text B How a Computer Works 12

New Words 15

Phrases 16

Abbreviations 16

Exercises 17

Reading Material The Five Generations of Computers 17

参考译文 硬件（1） 20

Unit 2

Text A Hardware(2) 23

New Words 25

Phrases 27

Abbreviations 27

Notes 28

Exercises 29

Text B Computer Standards 31

New Words 34

Phrases 34

Abbreviations 35

Exercises 35

Reading Material Something You Should Know about Computer 36

参考译文 硬件（2） 38

Unit 3

Text A Computer Monitors 41

New Words 43

Phrases 44

Abbreviations 45

Notes 45

Exercises 46

Unit 3

Text B CRT vs.LCD 49

New Words 52

Phrases 53

Abbreviations 54

Exercises 54

Reading Material Logitech Wireless Mouse 55

参考译文 计算机显示器 59

Unit 4

Text A Operating Systems and Software Applications 61

New Words 63

Phrases 64

Abbreviations 64

Notes 64

Exercises 65

Text B Categories of Applications Software 68

New Words 71

Phrases 72

Exercises 72

Reading Material WhatIsWindows? 73

参考译文 操作系统和应用软件 74

Unit 5

Text A Files 77

New Words 79

Phrases 80

Abbreviations 80

Notes 80

Exercises 81

Text B File Management 84

New Words 86

Phrases 87

Exercises 87

Reading Material The Windows System Registry 87

参考译文 文件 91

Unit 6

Text A MS Word 93

New Words 99

Phrases 100

Notes 100

Exercises 101

Text B PowerPoint 104

New Words 110

Phrases 111

Exercises 111

Reading Material AutoCAD-Drawing Objects 112

参考译文 Word 116

Unit 7

Text A Sorts and Charts of Excel 119

New Words 125

Phrases 125

Notes 126

Exercises 126

Text B FrontPage 129

New Words 137

Phrases 137

Abbreviations 138

Exercises 138

Reading Material What Is a Computer Image? 138

参考译文 Excel的排序和图表 143

Unit 8

Text A Programming Language 146

New Words 148

Phrases 149

Abbreviations 149

Notes 150

Exercises 151

Text B The C Language Program 154

New Words 158

Phrases 159

Exercises 160

Reading Material Introduction to Web Multimedia 160

参考译文 编程语言 165

Unit 9

Text A Database Basics 167

New Words 169

Phrases 170

Abbreviations 170

Notes 171

Exercises 171

Text B Datasheet Records of Access 175

New Words 179

Phrases 179

Exercises 180

Reading Material Classes and Messages 180

参考译文 数据库基础 183

Unit 10

Text A What Is a Network? 186

New Words 188

Phrases 189

Abbreviations 189

Notes 189

Unit 10

Exercises 190

Text B How Web Search Engines Work? 194

New Words 195

Phrases 196

Exercises 197

Reading Material Internet Connection 197

参考译文 什么是网络 200

Unit 11

Text A How Computer Viruses Work? 202

New Words 204

Phrases 206

Abbreviations 206

Notes 206

Exercises 207

Text B The Differences Between a Virus,Worm and Trojan Horse 211

New Words 213

Phrases 214

Abbreviations 214

Exercises 215

Reading Material Spam 215

参考译文 计算机病毒是如何工作的？ 218

Unit 12

Text A Types of Networks and Protocol 221

New Words 224

Phrases 225

Abbreviations 226

Notes 226

Exercises 227

Text B The Differences Between Hubs,Switches and Routers 230

New Words 233

Phrases 233

Abbreviations 234

Exercises 234

Reading Material What Is USB? 235

参考译文 网络的种类和协议 238

附录参考答案 241