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