Contents

Unit　1 Computers and Mobile Devices
Part　1 Listening & Speaking
Dialogue:　Buying a New Notebook Computer
Listening　Comprehension: John von Neumann
Dictation:　The Rise of Mobile Computing: The Getting-Smarter Smartphone
Part　2 Reading and Translating
Section　A: Computers to Fit Every Need
Section　B: Cloud Computing
Part3　Simulated Writing — Communicating with E-mail and Memos (I)

Unit　2 Hardware
Part　1 Listening & Speaking
Dialogue:　How Radio Frequency Identification (RFID) Readers Work
Listening　Comprehension: Moore's Law
Dictation:　Sensors Get Data We Never Had Before
Part　2 Reading and Translating
Section　A: Microprocessors
Section　B: Dreams of 3-D Printing
Part　3 Simulated Writing — Communicating with E-mail and Memos (II)

Unit　3 Software
Part　1 Listening & Speaking
Dialogue:　Making an Electronic Album Using Multimedia Editing Software
Listening　Comprehension: New Technology to Replace the Mouse: The Gesture Interface
Dictation:　Open Source Software
Part　2 Reading and Translating
Section　A: Cloud Software
Section　B: Wearable Technology
Part　3 Simulated Writing — Uncovering the Secrets of Clear Writing (I)

Unit　4 Operating Systems
Part　1 Listening & Speaking
Dialogue:　Talking about Operating Systems
Listening　Comprehension: Android
Dictation:　Linus Torvalds and the Software Nobody Knows
Part　2 Reading and Translating
Section　A: Roles of an Operating System
Section　B: Mobile versus Desktop Operating System
Part　3 Simulated Writing — Uncovering the Secrets of Clear Writing (II)

Unit　5 Computer Programming
Part　1 Listening & Speaking
Dialogue:　Getting to Know Java Runtime Environment (JRE) and Java Virtual Machine (JVM)
Listening　Comprehension: IDE
Dictation:　Ada Lovelace, the First Programmer
Part　2 Reading and Translating
Section　A: Programming for the Web and Cloud
Section　B: Alan Kay Invents the Future
Part　3 Simulated Writing — Developing Reports and Proposals (I)

Unit　6 Databases
Part　1 Listening & Speaking
Dialogue:　Why is big data a challenge
Listening　Comprehension: Data Mining
Dictation:　Data Warehouse
Part　2 Reading and Translating
Section　A: Cloud Databases
Section　B: Big Data
Part　3 Simulated Writing — Developing Reports and Proposals (II)

Unit　7 Computer Network and Internet
Part　1 Listening & Speaking
Dialogue:　Setting up Wireless Network
Listening　Comprehension: IPv6—the Next Generation Internet Protocol
Dictation:　Router
Part　2 Reading and Translating
Section　A: Arpanet Pioneers Build a Reliable Network Out of Unreliable Parts
Section　B: The Internet of Things
Part　3 Simulated Writing — Writing for Employment (I)

Unit　8 The Internet and World Wide Web
Part　1 Listening & Speaking
Dialogue:　Knowing the Myth about the Internet
Listening　Comprehension: How a World-Shaking Technology Came About: Tim Berners-Lee invents the World Wide Web
Dictation:　How Web Search Engines Work
Part　2 Reading and Translating
Section　A: Mobile Internet
Section　B: Social Networking Sites
Part　3 Simulated Writing — Writing for Employment (II)

Unit　9 E-commerce
Part　1 Listening & Speaking
Dialogue:　Protecting Buyer’s Privacy with Online Payment Services
Listening　Comprehension: Social Commerce
Dictation:　Mobile Payment
Part　2 Reading and Translating
Section　A: Online Checkout and Payment Services
Section　B: Why Online2Offline Commerce Is A Trillion Dollar Opportunity
Part　3 Simulated Writing — Writing Professional Letters (I)

Unit　10 Computer Security and Privacy
Part　1 Listening & Speaking
Dialogue:　Enhancing Your Computer Security
Listening　Comprehension: Hacker and Cracker
Dictation:　Trojan Horses
Part　2 Reading and Translating
Section　A: Protecting Your Information Online
Section　B: Security Attacks
Part　3 Simulated Writing — Writing Professional Letters (II)

Glossary
Abbreviations
Answers（练习答案）
Bibliography