计算机英语教程PDF电子书下载

Unit 1 The Fundamentals of Computers 1

Part 1 Reading and Translating 1

Section A The Varieties of Computers 1

Section B The History of Computers 7

Part 2 Simulated Writing:Memo 11

Part 3 Listening and Speaking 14

Dialogue:Buying a New Desktop Computer 14

Listening Comprehension:Roadrunner 17

Dictation:John von Neumann 17

Unit 2 Computer Hardware 19

Part 1 Reading and Translating 19

Section A Computer Motherboard 19

Section B Multi-core Processors 27

Part 2 Simulated Writing:Notices 33

Part 3 Listening and Speaking 35

Dialogue:Referring to Websites or Online Forum for Microsoft Developer 35

Listening Comprehension:Intel 37

Dictation:Father of the Mouse—Doug Engelbart 38

Unit 3 Computer Software 41

Part 1 Reading and Translating 41

Section A Microsoft Visual Studio 41

Section B Google Earth 46

Part 2 Simulated Writing:Report 50

Part 3 Listening and Speaking 55

Dialogue:Making an Electronic Album Using Multimedia Editing Software 55

Listening Comprehension:The Software Giant—Microsoft 57

Dictation:Embedded Systems 58

Unit 4 Operating System 61

Part 1 Reading and Translating 61

Section A Windows Vista 61

Section B Linux 67

Part 2 Simulated Writing:Meeting Minutes 73

Part 3 Listening and Speaking 77

Dialogue:Choosing a Linux Distribution and Free Trials for Free Software 77

Listening Comprehension:Open Source Software 79

Dictation:Apple Mac OS 80

Unit 5 Computer Programming 83

Part 1 Reading and Translating 83

Section A Object-Oriented Programming 83

Section B Introduction to the C# Language and the.NET Framework 90

Part 2 Simulated Writing:Outline 95

Part 3 Listening and Speaking 97

Dialogue:Getting to Know Java Runtime Environment(JRE)and Java Virtual Machine(JVM) 97

Listening Comprehension:IDE 100

Dictation:Ada Lovelace,the First Programmer 101

Unit 6 Databases 103

Part 1 Reading and Translating 103

Section A Distributed Database 103

Section B Microsoft SQL Server 107

Part 2 Simulated Writing:Summary 112

Part 3 Listening and Speaking 115

Dialogue:Installing Oracle Database Software 115

Listening Comprehension:Data Mining 117

Dictation:Data Warehouse 118

Unit 7 Computer Network 121

Part 1 Reading and Translating 121

Section A Ethernet 121

Section B Wi-Fi 125

Part 2 Simulated Writing:Instructions 131

Part 3 Listening and Speaking 137

Dialogue:Setting up Wireless Network 137

Listening Comprehension:IPv6—the Next Generation Internet Protocol 140

Dictation:Router 141

Unit 8 The Internet 143

Part 1 Reading and Translating 143

Section A Grid Computing 143

Section B Web 2.0 149

Part 2 Simulated Writing:Proposal 155

Part 3 Listening and Speaking 161

Dialogue:Enhancing Your Computer Security 161

Listening Comprehension:History of Google 163

Dictation:How Web Search Engines Work 164

Unit 9 E-Commerce 167

Part 1 Reading and Translating 167

Section A Electronic Commerce 167

Section B How PayPal Works 173

Part 2 Simulated Writing:Email 178

Part 3 Listening and Speaking 181

Dialogue:Protecting Buyers' Privacy with Online Payment Services 181

Listening Comprehension:Online Shopping 184

Dictation:eBay—Global Buying Hub 185

Unit 10 Computer Security 187

Part 1 Reading and Translating 187

Section A Computer Security 187

Section B Computer Virus 193

Part 2 Simulated Writing:Business Letter 199

Part 3 Listening and Speaking 202

Dialogue:Using Anti-virus Software 202

Listening Comprehension:Hacker and Cracker 205

Dictation:Trojan Horses 206

Unit 11 Software Engineering 209

Part 1 Reading and Translating 209

Section A Software Engineering 209

Section B Software Development Process 213

Part 2 Simulated Writing:Resume 220

Part 3 Listening and Speaking 224

Dialogue:Using Object-Oriented Analysis and Design Method 224

Listening Comprehension:Extreme Programming 227

Dictation:Unified Modeling Language(UML) 227

Unit 12 The Future of Computer 229

Part 1 Reading and Translating 229

Section A The Future of Computing(1) 229

Section B The Future of Computing(2) 236

Part 2 Simulated Writing:Cover Letter 243

Part 3 Listening and Speaking 245

Dialogue:Interview 245

Listening Comprehension:Quantum Computer 247

Dictation:Native XML Database 248

Glossary 250

Abbreviations 264