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