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Text A The Electronic Computers 1

Unit One 1

Text B The Development of Computer Technology 2

New Words 3

Phrases and Expressions 8

Mini-Dictionary 8

Notes to the Text 10

Exercises 12

Grammar Passive Voice 15

Exercises to the Grammar 20

Extensive Reading Software 21

Text A Microcomputers 23

Unit Two 23

Text B Introduction to CPU 24

New Words 25

Phrases and Expressions 28

Mini-Dictionary 29

Notes to the Text 30

Exercises 32

Grammar Attributive Clause 36

Exercises to the Grammar 38

Extensive Reading The Local Loop 39

Text A Input-Output Processor(IOP) 41

Unit Three 41

Text B Main Memory 42

New Words 43

Phrases and Expressions 47

Mini-Dictionary 47

Notes to the Text 49

Exercises 50

Grammar Infinitive 54

Exercises to the Grammar 56

Extensive Reading Input-Output Interface 58

Text A Fiber Optic Networks 60

Unit Four 60

Text B Summary of Operating System 62

New Words 63

Phrases and Expressions 66

Mini-Dictionary 67

Notes to the Text 68

Exercises 69

Grammar Gerund 73

Exercises to the Grammar 74

Extensive Reading The Structure and Operation of A Computer 76

Unit Five 78

Text A Network Hardware 78

Text B Internetworks 79

New Words 80

Phrases and Expressions 84

Mini-Dictionary 84

Notes to the Text 86

Exercises 87

Grammar Participle 91

Exercises to the Grammar 93

Extensive Reading Computer Networks 95

Unit Six 97

Text A ISDN Services and Its System Architecture 97

Text B Reading E-mail 98

New Words 100

Phrases and Expressions 103

Mini-Dictionary 103

Notes to the Text 105

Exercises 106

Grammar Inversion 110

Exercises to the Grammar 112

Extensive Reading E-mail 114

Unit Seven 116

Text A What is Multimedia? 116

Text B The Superhighway 117

New Words 118

Mini-Dictionary 122

Phrases and Expressions 122

Notes to the Text 124

Exercises 125

Grammar The Usage of It 129

Exercises to the Grammar 131

Extensive Reading Introduction to Neural Computation 132

Unit Eight 135

Text A Network Security 135

Text B Office Automation 136

New Words 137

Mini-Dictionary 143

Phrases and Expressions 143

Notes to the Text 145

Exercises 146

Grammar Analysis of Long Sentences 149

Exercises to the Grammar 153

Extensive Reading Attributes of Data Control 154

Appendix 157

Common Screen English of Computer 157

Common Acronyms and Abbreviations of Computer 163

Glossary of Intensive Reading 169

List of Phrases and Expressions 185

课文译文 188