计算机专业英语PDF电子书下载

Part 1 Computer Concepts 1

1 Computers:Getting Started（计算机入门） 1

1.1 What Is a Computer? 1

1.2 A Computer System 4

1.3 How a Computer Works 5

1.4 A Plan of Attack 7

Self-Test 7

关键字解释 9

词汇 10

课文注释 12

参考译文 12

2 The Processor and Main Memory（处理器和主存储器） 16

2.1 Inside a Computer 16

2.2 The Binary Number System 16

2.3 Main Memory 18

2.4 The Processor 23

Self-Test 37

关键字解释 39

词汇 43

课文注释 44

参考译文 44

3 Input and Output（输入和输出） 50

3.1 Accessing a Computer 50

3.2 Basic l/O 50

3.3 Graphics 51

3.4 Other Input and Output Devices 53

3.5 Linking the Components 55

Self-Test 58

关键字解释 60

词汇 62

课文注释 63

参考译文 64

4 Secondary Storage（辅助存储器） 69

4.1 Why Secondary Storage? 69

4.2 Secondary Storage Media 69

4.3 Accessing Secondary Storage 74

Self-Test 77

关键字解释 79

词汇 82

课文注释 83

参考译文 84

5 Linking the Components（部件的链接） 89

5.1 Micros and Mainframes 89

5.2 Microcomputer Architecture 92

5.3 Mainframe Architecture 94

Self-Test 98

关键字解释 100

词汇 102

课文注释 103

参考译文 103

6 The Operating System（操作系统） 109

6.1 The Hardware/Software Interface 109

6.2 Communicating with the Operating System 110

6.3 The Input/Output Control System 113

6.4 Loading the Operating System 117

6.5 An Example 118

6.6 Some Operating Systems 118

Self-Test 121

关键字解释 122

词汇 124

课文注释 125

参考译文 126

7 Application Software（应用软件） 132

7.1 What Is Software? 132

7.2 Programming Languages 134

7.3 Libraries 138

7.4 The Program Development Process 141

7.5 Writing Your Own Programs 144

Self-Test 146

关键字解释 148

词汇 150

课文注释 151

参考译文 151

8 Data Management（数据管理） 158

8.1 Why Data Management? 158

8.2 Accessing Data 158

8.3 Access Methods 166

8.4 Database Management 169

Self-Test 173

关键字解释 175

词汇 178

课文注释 178

参考译文 179

9 Systems Analysis and Design（系统的分析与设计） 186

9.1 Systems 186

9.2 Systems Analysis 186

Self-Test 198

关键字解释 200

词汇 202

课文注释 203

参考译文 204

10 Multiprogramming and Multiprocessing（多道程序设计与多重处理） 210

10.1 Multiprogramming 210

10.2 Multiprogramming Operating Systems 211

10.3 Time-Sharing 218

10.4 Multiprocessing 219

Self-Test 223

关键字解释 225

词汇 228

课文注释 229

参考译文 230

Part 2 Computer Network Concepts 236

11 Computer Networks（计算机网络） 236

11.1 Data Communication 236

11.2 Linking Terminals and Computers 238

11.3 Data Communication Software 240

11.4 Networking 241

Self-Test 246

关键字解释 248

词汇 251

课文注释 252

参考译文 252

12 Network Basics（网络基础） 258

12.1 What Is an Network? 258

12.2 LANS,MANS,and WANS 258

12.3 Open Systems Interconnection(OSI)Reference Model 259

12.4 OSI Model and Communication Between Systems 267

12.5 Standards Organizations 268

Self-Test 269

关键字解释 270

词汇 272

课文注释 274

参考译文 275

13 Network Technology（网络技术） 282

13.1 LAN Technology 282

13.2 WAN Technology 285

Self-Test 288

关键字解释 290

词汇 291

课文注释 292

参考译文 293

14 Transmission Media(1)——wired Media（传输媒体（1）——有线媒体） 298

14.1 Magnetic Media 298

14.2 Twisted Pair 299

14.3 Baseband Coaxial Cable 301

14.4 Broadband Coaxial Cable 302

14.5 Fiber Optics 303

Self-Test 305

关键字解释 306

词汇 307

课文注释 309

参考译文 310

15 Transmission Media(2)——Wireless Media（传输媒体（2）——无线媒体） 315

15.1 Radio Transmission 316

15.2 Microwave Transmission 317

15.3 The Telephone System 320

Self-Test 321

关键字解释 322

词汇 323

课文注释 324

参考译文 325

16 Bridges,Routers,and Gateways（桥，路由器与网关） 330

16.1 Benefits 330

16.2 Interconnection Basics 331

16.3 Bridges 333

16.4 Subnetworks 334

16.5 Routers 336

16.6 Gateways 337

16.7 Advantages 338

16.8 Intelligent Gateways 340

16.9 Conclusion 341

Self-Test 341

关键字解释 343

词汇 344

课文注释 345

参考译文 345

17 Intranet（内特网） 352

17.1 Intranet Introduction 352

17.2 Application in Remote Access 354

17.3 Intranet Securities 355

Self-Test 357

关键字解释 358

词汇 359

课文注释 361

参考译文 362

18 Network Applications（网络应用） 366

18.1 DNS一Domain Name System 366

18.2 Electronic Mail 369

18.3 The World Wide Web 370

18.4 Usenet News 372

Self-Test 373

关键字解释 375

词汇 376

课文注释 377

参考译文 378

19 Internet Security（1）（因特网安全（1）） 383

19.1 Security Issues When Connecting to the Internet 383

Self-Test 393

关键字解释 395

词汇 396

课文注释 398

参考译文 399

20 Internet Security（2）（因特网安全（2）） 406

20.1 Trusted,Untrusted,and Unknown Networks 406

20.2 Establishing a Security Perimeter 408

20.3 Developing Your Security Design 410

Self-Test 414

关键字解释 415

词汇 416

课文注释 418

参考译文 419

21 Network Management Basics（网络管理基础） 424

21.1 What Is Network Management? 424

21.2 Network Management Architecture 425

21.3 ISO Network Management Model 425

Self-Test 429

关键字解释 431

词汇 431

课文注释 433

参考译文 433

22 Linux（网络操作系统） 437

22.1 What Is Linux? 437

22.2 Linux Versus UNIX 437

22.3 Linux Features 438

22.4 Hardware Requirements 439

22.5 Common Commands 440

Self-Test 443

关键字解释 444

词汇 445

课文注释 446

参考译文 447

附录 Answers for Self-Test 452

参考资料 455