计算机英语实用教程PDF电子书下载

Unit 1 Basic Introduction to Computers 1

Part 1 Reading and Translating 1

Section A Cloud Computing 1

Section B Touch Screen Technology：How the Screen Is So Smart 5

Part 2 Simulated Writing：Memo 9

Part 3 Listening and Speaking 12

Dialogue：Buying a New Notebook Computer 12

Listening Comprehension：Roadrunner 14

Dictation：John von Neumann 15

Unit 2 Hardware for Systems 17

Part 1 Reading and Translating 17

Section A Random Access Memory（RAM）：The Genius of Memory 17

Section B GPGPU 21

Part 2 Simulated Writing：Notices 26

Part 3 Listening and Speaking 27

Dialogue：Referring to Websites or Online Forum for Microsoft Developer 27

Listening Comprehension：Intel 29

Dictation：Father of the Mouse—Doug Engelbart 30

Unit 3 Software for Systems 32

Part 1 Reading and Translating 32

Section A Google Glass 32

Section B 3D Printing 36

Part 2 Simulated Writing：Report 40

Part 3 Listening and Speaking 45

Dialogue：Making an Electronic Album Using Multimedia Editing Software 45

Listening Comprehension：The Software Giant—Microsoft 47

Dictation：Embedded Systems 47

Unit 4 Operating System 49

Part 1 Reading and Translating 49

Section A How Mobile OS differs from Desktop OS? 49

Section B Open vs.Closed Systems：What the Future Holds 53

Part 2 Simulated Writing：Meeting Minutes 58

Part 3 Listening and Speaking 61

Dialogue：Choosing a Linux Distribution and Free Trials for Free Software 61

Listening Comprehension：Open Source Software 63

Dictation：Apple Mac OS 64

Unit 5 Computer Programming 66

Part 1 Reading and Translating 66

Section A 3-D Graphics：Creating a Realistic Experience 66

Section B Triangulation：Can You Find Me Now? 70

Part 2 Simulated Writing：Outline 74

Part 3 Listening and Speaking 77

Dialogue：Getting to Know Java Runtime Environment（JRE）and Java Virtual Machine（JVM） 77

Listening Comprehension：IDE 79

Dictation：Ada Lovelace,the First Programmer 80

Unit 6 Managing a Databases 82

Part 1 Reading and Translating 82

Section A Normalization：Ensuring Data Consistency 82

Section B Big Data 85

Part 2 Simulated Writing：Summary 90

Part 3 Listening and Speaking 92

Dialogue：Installing Oracle Database Software 92

Listening Comprehension：Data Mining 95

Dictation：Data Warehouse 96

Unit 7 Computer Network 98

Part 1 Reading and Translating 98

Section A OSI Reference Model：The Driving Force behind Network Communications 98

Section B Social Networking 103

Part 2 Simulated Writing：Instructions 107

Part 3 Listening and Speaking 113

Dialogue：Setting up Wireless Network 113

Listening Comprehension：IPv6—the Next Generation Internet Protocol 116

Dictation：Router 117

Unit 8 Fundamentals of the World Wide Web and Internet 119

Part 1 Reading and Translating 119

Section A Acid3 Browser Test：Verifying Standards Support 119

Section B DNS Servers：Flow Devices on the Internet Easily Locate Each Other 123

Part 2 Simulated Writing：Proposal 127

Part 3 Listening and Speaking 132

Dialogue：Enhancing Your Computer Security 132

Listening Comprehension：History of Google 134

Dictation：How Web Search Engines Work 135

Unit 9 E-Commerce 137

Part 1 Reading and Translating 137

Section A Why Online2Offline Commerce Is a Trillion Dollar Opportunity 137

Section B M-commerce Today 141

Part 2 Simulated Writing：E-mail 145

Part 3 Listening and Speaking 148

Dialogue：Protecting Buyers'Privacy with Online Payment Services 148

Listening Comprehension：Online Shopping 150

Dictation：eBay—Global Buying Hub 151

Unit 10 Manage Computing Securely and Safely 153

Part 1 Reading and Translating 153

Section A Computer Virus：Delivery,Infection,and Avoidence 153

Section B Biometrics：Personalized Security 158

Part 2 Simulated Writing：Business Letter 162

Part 3 Listening and Speaking 166

Dialogue：Using Anti-virus Software 166

Listening Comprehension：Hacker and Cracker 168

Dictation：Trojan Horses 169

Unit 11 Software Engineering 171

Part 1 Reading and Translating 171

Section A How Software Engineering Works 171

Section B People and the Way They Build Systems 175

Part 2 Simulated Writing：Resume 179

Part 3 Listening and Speaking 183

Dialogue：Using Object-Oriented Analysis and Design Method 183

Listening Comprehension：Extreme Programming 185

Dictation：Unified Modeling Language（UML） 186

Unit 12 Digitized World 188

Part 1 Reading and Translating 188

Section A Mobile Web 188

Section B The Internet of Things 192

Part 2 Simulated Writing：Cover Letter 196

Part 3 Listening and Speaking 198

Dialogue：Interview 198

Listening Comprehension：Quantum Computer 200

Dictation：Native XML Database 201

Glossary 203

Abbreviation 224

Reference of Translation 228

第1单元 计算机的基本介绍 228

第1部分 阅读和翻译 228

第2部分 模拟写作：备忘录 230

第3部分 听力和对话 232

第2单元 系统的硬件 235

第1部分 阅读和翻译 235

第2部分 模拟写作：通知 237

第3部分 听力和对话 238

第3单元 系统的软件 241

第1部分 阅读和翻译 241

第2部分 模拟写作：报告 243

第3部分 听力和对话 246

第4单元 操作系统 248

第1部分 阅读和翻译 248

第2部分 模拟写作：会议记录 251

第3部分 听力和对话 254

第5单元 计算机编程 256

第1部分 阅读和翻译 256

第2部分 模拟写作：概要 259

第3部分 听力和对话 261

第6单元 管理数据库 263

第1部分 阅读和翻译 263

第2部分 模拟写作：摘要 266

第3部分 听力和对话 267

第7单元 网络和通信 270

第1部分 阅读和翻译 270

第2部分 模拟写作：说明书 272

第3部分 听力和对话 276

第8单元 万维网和因特网的基础知识 278

第1部分 阅读和翻译 278

第2部分 模拟写作：建议书 281

第3部分 听力和对话 285

第9单元 电子商务 287

第1部分 阅读和翻译 287

第2部分 模拟写作：电子邮件 290

第3部分 听力和对话 292

第10单元 可靠和安全地管理计算 295

第1部分 阅读和翻译 295

第2部分 模拟写作：商业信函 298

第3部分 听力和对话 300

第11单元 软件工程 303

第1部分 阅读和翻译 303

第2部分 模拟写作：简历 304

第3部分 听力和对话 307

第12单元 数字世界 310

第1部分 阅读和翻译 310

第2部分 模拟写作：求职信 311

第3部分 听力和对话 313

Answers 316

Unit 1 316

Part 1 Reading and Translating 316

Part 3 Listening and Speaking 317

Unit 2 318

Part 1 Reading and Translating 318

Part 3 Listening and Speaking 319

Unit 3 320

Part 1 Reading and Translating 320

Part 3 Listening and Speaking 321

Unit 4 322

Part 1 Reading and Translating 322

Part 3 Listening and Speaking 323

Unit 5 324

Part 1 Reading and Translating 324

Part 3 Listening and Speaking 325

Unit 6 326

Part 1 Reading and Translating 326

Part 3 Listening and Speaking 327

Unit 7 328

Part 1 Reading and Translating 328

Part 3 Listening and Speaking 329

Unit 8 330

Part 1 Reading and Translating 330

Part 3 Listening and Speaking 331

Unit 9 331

Part 1 Reading and Translating 331

Part 3 Listening and Speaking 333

Unit 10 334

Part 1 Reading and Translating 334

Part 3 Listening and Speaking 335

Unit 11 336

Part 1 Reading and Translating 336

Part 3 Listening and Speaking 337

Unit 12 338

Part 1 Reading and Translating 338

Part 3 Listening and Speaking 339

Bibliography 341