Preface（前言）
Suggestion（教学建议）
Unit 1 Introduction to the World of Computers 1
Part 1?Listening and Speaking 1
Dialogue: Buying a New Notebook Computer 1
Listening Comprehension: John von Neumann 3
Dictation: The Rise of Mobile Computing: The Getting-Smarter Smartphone 4
Part 2?Reading and Translating 5
Section A: Cloud Computing 5
Section B: The Internet of Things 10
Part 3 Simulated Writing: Communicating with E-mail and Memos (I) 14
Unit 2 Hardware 18
Part 1?Listening and Speaking 18
Dialogue: How Radio Frequency Identification (RFID) Readers Work 18
Listening Comprehension: Moore’s Law 21
Dictation: Sensors Get Data We Never Had Before 21
Part 2?Reading and Translating 23
Section A: Wearable Technology 23
Section B: 3-D Printing 27
Part 3 Simulated Writing: Communicating with E-mail and Memos (II) 32
Unit 3 Software 35
Part 1?Listening and Speaking 35
Dialogue: Making an Electronic Album Using Multimedia Editing Software 35
Listening Comprehension: New Technology to Replace the Mouse: The Gesture Interface 37
Dictation: Open Source Software 38
Part 2?Reading and Translating 39
Section A: Web Apps and Mobile Apps 39
Section B: Cloud Software 43
Part 3 Simulated Writing: Uncovering the Secrets of Clear Writing (I) 47
Unit 4 Operating Systems 51
Part 1?Listening and Speaking 51
Dialogue: Talking about Operating Systems 51
Listening Comprehension: Android 53
Dictation: Linus Torvalds and the Software Nobody Knows 53
Part 2?Reading and Translating 55
Section A: Mobile versus Desktop Operating Systems 55
Section B: Open vs. Closed Systems: What the Future Holds 59
Part 3 Simulated Writing: Uncovering the Secrets of Clear Writing (II) 63
Unit 5 Program Development and Programming Languages 67
Part 1?Listening and Speaking 67
Dialogue: Getting to Know Java Runtime Environment (JRE) and Java Virtual Machine (JVM) 67
Listening Comprehension: IDE 69
Dictation: Ada Lovelace, the First Programmer 70
Part 2?Reading and Translating 71
Section A: Web Application Development 71
Section B: Mobile App Development 75
Part 3 Simulated Writing: Developing Reports and Proposals (I) 80
Unit 6 Databases 84
Part 1?Listening and Speaking 84
Dialogue: Why is Big Data a Challenge? 84
Listening Comprehension: Data Mining 86
Dictation: Data Warehouse 87
Part 2?Reading and Translating 88
Section A: Normalization: Ensuring Data Consistency 88
Section B: Big Data 92
Part 3 Simulated Writing: Developing Reports and Proposals (II) 97
Unit 7 Computer Network and Internet 101
Part 1?Listening and Speaking 101
Dialogue: Setting up a Wireless Network 101
Listening Comprehension: IPv6—the Next Generation Internet Protocol 103
Dictation: Router 104
Part 2?Reading and Translating 105
Section A: OSI Reference Model: The Driving Force behind Network Communications 105
Section B: Mobile Internet 110
Part 3?Simulated Writing: Writing for Employment (I) 115
Unit 8 The Internet and World Wide Web 119
Part 1?Listening and Speaking 119
Dialogue: Knowing the Myth about the Internet 119
Listening Comprehension: How a World-Shaking Technology Came About:
Tim Berners-Lee Invents the World Wide Web 122
Dictation: How Web Search Engines Work 122
Part 2?Reading and Translating 123
Section A: DNS Servers: Flow Devices on the Internet Easily Locate Each Other 123
Section B: Social Networking Sites 128
Part 3?Simulated Writing: Writing for Employment (II) 133
Unit 9 E-commerce 138
Part 1?Listening and Speaking 138
Dialogue: Protecting Buyers’ Privacy with Online Payment Services 138
Listening Comprehension: Social Commerce 140
Dictation: Mobile Payments 141
Part 2?Reading and Translating 142
Section A: Why Online2Offline Commerce is a Trillion Dollar Opportunity 142
Section B: E-commerce Tomorrow: The Never-Ending Game 147
Part 3 Simulated Writing: Writing Professional Letters (I) 151
Unit 10 Computer Security and Privacy 157
Part 1?Listening and Speaking 157
Dialogue: Using Antivirus Software 157
Listening Comprehension: Hacker and Cracker 159
Dictation: Trojan Horses 160
Part 2?Reading and Translating 161
Section A: Protecting Your Information Online 161
Section B: Security Attacks 165
Part 3 Simulated Writing: Writing Professional Letters (II) 170
Answers（练习答案） 174
Abbreviations（缩略语表） 191
Glossary（词汇表） 194
Bibliography（参考文献） 212
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