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1　Introduction to Computer Science and Technology1

1.1 Introduction to the Computer Science and Technology Discipline1

1.2 Computer Science and Technology as a Discipline in China4

1.3 Related Courses7

1.4 Prospects of Computer Science and Technology9

2　Fundamentals of Computer Hardware11

2.1 Organization of Computer System11

2.1.1 System Buses11

2.1.2 CPU Organizations13

2.1.3 Memory Subsystem Organizations14

2.1.4 I／O Subsystem Organizations16

2.2 History of Computer18

2.3 Computer Interface21

2.3.1 The Internal Interfacing21

2.3.2 The External Interfacing22

2.3.3 DMA23

3　Operating System26

3.1 Introduction26

3.1.1 What is an Operating System27

3.1.2 The Evolution of Operating Systems31

3.2 The Disk Operating System33

3.2.1 Parts of DOS33

3.2.2 Starting a Computer35

3.2.3 DOS Command Format36

3.2.4 Simple DOS Commands37

3.2.5 Disk Formatting38

3.2.6 Dealing with Files40

3.3 Windows 200044

3.3.1 History44

3.3.2 Design Principles46

3.3.3 System Components48

3.4 UNIX Operating System59

3.4.1 History of the UNIX Operating System60

3.4.2 The uniqueness of UNIX60

3.4.3 How UNIX is Organized62

3.4.4 About UNIX Commands64

4　Programming71

4.1 Introduction to Programming71

4.1.1 What Is Programming71

4.1.2 How Do We Writer a Program72

4.1.3 Programming Paradigms76

4.2 Programming Languages80

4.2.1 Early Generation80

4.2.2 Selecting a Programming Language84

4.3 Object-Oriented Programming89

4.3.1 Objects91

4.3.2 Classes92

4.3.3 Inheritance93

4.3.4 Some Real Life Examples95

5　Design and Analysis of Algorithms99

5.1 The Role of Algorithms in Computing99

5.1.1 Algorithms99

5.1.2 Algorithms as a Technology104

5.2 Analyzing Algorithms109

5.2.1 Analysis of Insertion Sort111

5.2.2 Worst-Case and Average-Case Analysis114

5.2.3 Order of Growth115

5.2.4 Growth of Functions115

5.3 Designing Algorithms123

5.3.1 The Divide-and-Conquer Approach123

5.3.2 Analyzing Divide-and-Conquer Algorithms127

6　Parallel Processing132

6.1 Introduction132

6.1.1 Computational Demands of Contemporary Science133

6.1.2 Advent of Practieal Parallel Processing135

6.1.3 Some Basic Parallel Algorithms136

6.2 Parallel Algorithm Design142

6.2.1 Partitioning144

6.2.2 Communication144

6.2.3 Agglomeration146

6.2.4 Mapping146

6.3 Applications of Parallel Processing－Mandelbrot Set150

7 Data Mining and Applications162

7.1 Basic Concepts162

7.1.1 Date Mining162

7.1.2 Database,Data Warehouse and Data Mart165

7.2 Data Mining Process171

7.2.1 How Data Mining Works171

7.2.2 Date Mining Process174

7.2.3 Date Mining Terminology177

7.3 Data Mining Model178

7.3.1 Decision Trees178

7.3.2 Genetic Algorithms179

7.3.3 Neural Nets180

7.3.4 Agent Network Technology180

7.3.5 Hybrid Models181

7.3.6 Statistics181

7.4 Data Mining Applications183

7.4.1 Data Mining Application Field183

7.4.2 Data Mining Case Studies185

7.4.3 Data Mining Application Through Data Warehouses186

8 Image Processing and Machine Vision191

8.1 Introduction191

8.1.1 Image Technology191

8.1.2 Digital Image Definitions194

8.2 Image Processing Algorithm198

8.2.1 Tools198

8.2.2 Mathematics-based Operations201

8.2.3 Convolution-based Operations203

8.2.4 Smoothing Operations204

8.3 Compression or Decompression Techniques208

8.3.1 Two Basic Types of Compression208

8.3.2 Image Compression／Decompression Development210

8.4 Object Recognition214

8.4.1 Description214

8.4.2 Key Features for Object Recognition215

8.5 3D Vision and Applications217

8.5.1 Basic Concept217

8.5.2 Applications217

9 Computer Networks and Communications220

9.1 Data Communications220

9.1.1 Fundamentals of Data and Signals221

9.1.2 The Media of Transmission222

9.1.3 Multiplexing225

9.1.4 Making Connections230

9.2 Computer Networks233

9.2.1 Understand Networking Concepts233

9.2.2 Local Area Networks234

9.2.3 Wide Area Networks237

9.2.4 The Internet239

9.3 Broadband Integrated Services Digital Network（BISDN）243

9.3.1 Introduction243

9.3.2 A Brief History243

9.3.3 Broadband ISDN Services244

9.4 Asvnchronous Transfer Mode（ATM）246

9.4.1 Basic Concepts in ATM247

9.4.2 ATM Standards248

9.4.3 ATM Switching249

9.4.4 ATM Networks251

9.4.5 ATM Applications254

10 Information and Network Security257

10.1 Security Problem in Computer System257

10.1.1 Introduction257

10.1.2 Different Types Of Network Security258

10.2 Some Approaches to Defense260

10.2.1 Basic Security Measures260

10.2.2 Standard System Attacks268

10.2.3 Basic Encryption and Decryption Techniques270

10.2.4 Public Key Infrastructure278

10.2.5 Firewalls281

10.2.6 Security Policy Design Issues285

11 Electronic Commerce289

11.1 Introduction289

11.1.1 What Is E-Commerce290

11.1.2 The Role of Strategy in E-Commerce295

11.2 Value Chains in E-Commerce297

11.2.1 Value Chains in E-Commerce297

11.2.2 Integrating E-Commerce299

11.3 Applications of Electronic Commerce305

11.3.1 Applications of Electronic Commerce305

11.3.2 Unique Benefits of E-Commerce307

11.4 Advantages and Limitations of E-Commerce314

11.4.1 Advantages315

11.4.2 Limitations318

12 Internet Congestion Control321

12.1 Introduction321

12.1.1 The Problem of Congestion323

12.1.2 The Threat of Congestion Collapse324

12.1.3 TCP Friendliness324

12.2 Classification of Congestion Control Schemes326

12.2.1 Window-Based vs.Rate-Based327

12.2.2 Unicast vs.Multicast327

12.2.3 Single-Rate vs.Multirate328

12.2.4 End to End vs.Router-Supported329

12.3 Congestion Control Mechanisms331

12.3.1 End-to-End Flow Control335

12.3.2 Feedback Mechanisms335

12.3.3 Implicit Feedback335

12.3.4 Explicit Feedback335

12.3.5 Scheduling Mechanisms336

12.3.6 Buffer and Queue Management Mechanisms338

12.3.7 Buffer Management339

12.3.8 Queue Management339

12.3.9 Queue Management for Congestion Recovery340

12.3.10 Active Queue Management for Congestion Avoidance341

12.4 Recent Developments in Congestion Control345

12.4.1 Avoiding Unnecessary Retransmit Timeouts345

12.4.2 Undoing Unnecessary Congestion Control Responses to Reordered or Delayed Packets346

13 International Academic Exchanges349

13.1 Call for Papers350

13.2 The Academic Paper355

13.2.1 Introduction356

13.2.2 Problem Formulation357

13.2.3 Main Results359

13.2.4 Conclusion363

13.3 Participation in the Conference365

13.3.1 To Chair a Conference365

13.3.2 To Present a Paper368

13.3.3 To Ask and Answer Questions369

Appendix Glossaries in Computer Science373

References404