计算机与通信专业英语 修订第3版PDF电子书下载

UNIT 1 A New Computing Model—Pervasive(Ubiquitous)Computing 1

1-1 What Is Pervasive Computing? 1

1-2 Challenges to Pervasive Computing 3

1-3 Turn Pervasive Computing into Mediated Spaces 5

Reading Material:Smart Spaces and Hardware Prototypes 8

Exercises 11

UNIT 2 Computer Systems 13

2-1 Why Should People Care of a Computer System? 13

2-2 What Should People Do with a Computer System? 14

2-3 Designing for Performance 17

2-4 Pentium and PowerPC Evolution 21

Exercises 24

UNIT 3 Design Technologies of CPU 27

3-1 The Complex Instruction Set Computer—CISC 27

3-2 Definition of Reduced Instruction Set Computer—RISC 29

3-3 VLIW Microprocessors 34

Exercises 35

UNIT 4 Primary-Memory Organization and I/O Devices 38

4-1 Primary-Memory Organization 38

4-2 External Devices and Their Control 42

4-3 I/O Devices 45

Exercises 49

UNIT 5 Operating System 53

5-1 What Is an Operating System? 53

5-2 Operating System Structure 55

5-3 Case Study:Windows 2000 60

5-4 What Is Linux? 65

Exercises 68

UNIT 6 Programming 71

6-1 Programming Languages 71

6-2 The Need for a New Style of Programming 73

6-3 What Is Object-orientation? 76

6-4 Visual Programming 80

6-5 What Is Java? 84

Exercises 86

UNIT 7 Database Systems 89

7-1 Introduction to Database System 89

7-2 Describing and Storing Data in a DBMS 91

7-3 Parallel Databases 95

7-4 Distributed Databases 98

Exercises 102

UNIT 8 Decision Support Systems 105

8-1 Introduction to Decision Support 105

8-2 Data Warehousing 107

8-3 On-Line Analytic Processing 109

8-4 Data Mining 114

Exercises 118

UNIT 9 Basic Concepts of Pattern Recognition 121

9-1 What Are The Pattern Recognition and Classification Problems? 121

9-2 Approaches to Recognition and Classification 126

9-3 Features and Their Distributions 129

Exercises 131

UNIT 10 Computer Networks 134

10-1 What Is a Network? 134

10-2 The Major Types of Networks 136

10-3 Network Protocols 145

10-4 IPv6 Overview 152

Exercises 155

UNIT 11 Network Security 158

11-1 Where Do Security Threats Come from? 158

11-2 Encryption Methods 160

11-3 Access Control 164

11-4 Firewalls:Internet Socurity 170

Exercises 175

UNIT 12 Multimedia 178

12-1 What Is Multimedia? 178

12-2 Multimedia Hardware 180

12-3 Multimedia Networking 183

12-4 Multimedia Software:Applications 185

12-5 Defining Hypertext,Hypermedia and Multimedia 188

Exercises 193

UNIT 13 Digital Sound Technology 195

13-1 The Physics of Sound 195

13-2 Digital Sampling 197

13-3 Sampling Theory Meets Multimedia 203

Exercises 205

UNIT 14 Image Processing 207

14-1 Representation of Images 207

14-2 Image Data Compression 209

14-3 A Practical Drawing Program of"Computer Graphics" 216

Exercises 220

UNIT 15 Broadband ISDN and ATM 222

15-1 Basic Concepts of B-ISDN 222

15-2 ATM—a Mechanism ofTransporting and Switching Information forB-ISDN 224

15-3 The B-ISDN Reference Model 228

Exercises 231

UNIT 16 Satellites 234

16-1 Satellite Fundamentals 234

16-2 Uplinks and Downlinks 236

16-3 Satellite Antenna Design 237

16-4 Two-degree Satellite Spacing and the Antenna Performance Standard 238

Exercises 240

UNIT 17 Optical Fiber Communications 242

17-1 The General System 242

17-2 Advantages of Optical Fiber Communication 245

17-3 Optical Light Sources and Optical Detectors 248

Exercises 252

UNIT 18 Mobile Wireless Personal Communications 255

18-1 Radio Technology and Personal Communication Concepts 255

18-2 CDMA and Other Spectrum Sharing Concepts 257

18-3 Development of GSM 259

18-4 Third-Generation(3G)Wireless Technology 261

Reading Material:Examples of Existing CDMA System 263

Exercises 264

UNIT 19 Access Network(Subscriber Loop)Technologies 267

19-1 The Migration from Copper to Optical Fiber Subscriber Loops 267

19-2 Extending the Life of Copper Subscriber Loops 269

19-3 The High-bit-rate Digital Subscriber Loop(HDSL) 270

19-4 The Asymmetric Digital Subscriber Loop(ADSL) 273

19-5 Hybrid Fiber-coax Access Networks 275

Exercises 277

UNIT 20 New Computing Types in the Future 280

20-1 Introduction to Optical Computing 280

20-2 High Performance Processing System of the Future 282

20-3 An Overview of Quantum Computing 285

Reading Material:Quantum Computer Today 288

Exercises 290

Answers/习题解答 292

Translations for Texts(Partial)/参考译文(部分) 299

Bibliography/参考文献 324

List of New Words/词汇表 326