计算机基础英语PDF电子书下载

UNIT 1　The History of the Computer　 1

PREVIEW 2

TEXT 2

1.1　In The Beginning 2

1.2　Use of Punched Cards 2

1.3　Electronic Digital Computers 3

1.4　Advances from 1950's to 1960's 6

1.5　More Recent Advances 8

1.6　Four Generations of Modern Computers 11

1.7　The Pioneers of Modern Computers 12

SUMMARY 29

WORDS and EXPRESSIONS 29

QUESTIONS 29

UNIT 2　What's inside?——Computer Hardware　 29

PREVIEW 30

TEXT 30

2.1　Who Made It? 30

2.2　Low-Tech is Important 33

2.3　The Q Bridge 34

2.4　Circuit size,Voltage,Speed and Heat 36

2.5　Hardware Classification 40

SUMMARY 59

WORDS and EXPRESSIONS 59

QUESTIONS 59

UNIT 3　The Soul of Computer　 59

PREVIEW 60

TEXT 60

3.1　Basics 60

3.2　Why We Need an Operating System 60

3.3　The Generations of Operating Systems 63

3.4　The Kinds of Operating Systems 68

3.5　The Famous Operating Systems 70

SUMMARY 86

WORDS and EXPRESSIONS 86

QUESTIONS 86

UNIT 4　Intercourse Between You and Computer　 86

PREVIEW 87

TEXT 87

4.1 History of the Computer Language 87

4.2 Classification of Languages 90

4.3 The Basics of Computer Languages 95

4.4 Object Oriented Programming 100

4.5 Learning Languages 102

SUMMARY 110

WORDS and EXPRESSIONS 110

QUESTIONS 110

UNIT 5 Connect Anywhere:The Internet　 110

PREVIEW 111

TEXT 111

5.1　Origins of the Internet 111

5.2　Internet Technical Evolution 114

5.3　Related Networks 116

5.4　Commercialization of the Technology 116

5.5　Global Network and Future Ideas 119

5.6　Getting Connected to the Net 128

SUMMARY 134

WORDS and EXPRESSIONS 134

QUESTIONS 134

UNIT 6　Basic of Computer Network　 134

PREVIEW 135

TEXT 135

6.1　Concepts,Features and Functions 135

6.2　Classifications of Computer Network 137

6.3　Wireless Network:Wi-Fi 140

6.4　Ethernet Overview 142

SUMMARY 149

WORDS and EXPRESSIONS 149

QUESTIONS 149

UNIT 7　The Game of Security　 149

PREVIEW 150

TEXT 150

7.1　Risk Management 150

7.2　Types and Sources of Network Threats 151

7.3　Firewalls 155

7.4　Network Security Conclusions 160

SUMMARY 164

WORDS and EXPRESSIONS 164

QUESTIONS 164

UNIT 8　Artificial Intelligence:Plain and Simple　 164

PREVIEW 165

TEXT 165

8.1　The Computer Has Checkmate 165

8.2　The Birth of AI 165

8.3　Man vs.Machine 169

8.4　What is Artificial Intelligence? 171

8.5　Our Potential Life 178

8.6　Time to Re-examine Ourselves 181