初探计算机英语 英文版PDF电子书下载

WHAT IS A COMPUTER? 2

What Is a Computer? 2

Why Are Computers So Popular? 3

The History of the Computer 3

How to Use this Book 4

How Computers Are Used 4

Preface 6

Types of Computer 6

Photo Credits 8

What Is a Computer System? 8

Data Communications 9

Computers in Our Future 13

Summary 13

Lesson 1 Review Questions 14

Cross-Curricular Projects 15

Web Project 16

Team Project 16

HOW DOES A COMPUTER PROCESS DATA? 17

Computer System Components 17

System Components 19

Data Representation 25

Summary 26

Lesson 2 Review Questions 26

Cross-Curricular Projects 28

Web Project 28

Team Project 29

HOW DO I INPUT DATA AND OUTPUT AND STORE INFORMATION? 31

Input Devices 31

Output Devices 37

Storage Devices 41

Connecting Input/Output Devices to the Computer 41

Summary 44

Caring for Removable Storage Media 44

Lesson 3 Review Questions 45

Cross-Curricular Projects 46

Web Project 47

Team Project 47

WHAT IS SOFTWARE? 48

Hardware vs. Software 48

Types of Software 49

Microcomputer Operating Systems Interfaces 52

Microcomputer Operating Systems 53

Summary 59

Lesson 4 Review Questions 60

Cross-Curricular Projects 61

Team Project 62

Web Project 62

HOW DO I KEYBOARD? 64

First Thigs First 64

Developing Beginning Keyboard Skills 67

Additional Concepts 69

Using Your New Keyboarding Skill 72

Summary 74

Lesson 5 Review Questions 75

Cross-Curricular Projects 76

Web Project 77

Team Project 77

WHAT BASIC SKILLS DO I NEED TO USE THE COMPUTER? 78

Overview of Graphical User Interface 78

starting and Shutting Down the GUI 79

Opening a Window 80

Closing a Window 81

Formatting a Disk 82

Files and Folders 85

Starting a Program 86

Managing Files 91

Getting Help 97

Summary 97

Lesson 6 Review Questions 98

Cross-Curricular Projects 100

Web Project 100

Team Project 100 100

HOW DO I USE WORD PROCESSING SOFTWARE? 101

What Is Word Processing Software? 101

The Word Processing Screen 103

Other Features of Word Processing Software 113

Preparing a Letter 114

Summary 115

Lesson 7 Review Questions 116

Cross-Curricular Projects 117

Web Project 118

Team Project 118

HOW DO I USE SPREADSHEET SOFTWARE? 119

What Is the Purpose of Spreadsheets? 119

The Anatomy of a Spreadsheet 120

Moving Around in a Spreadsheet 122

Entering Data into a Spreadsheet 123

Additional Features 127

Using a Spreadsheet 129

Summary 130

Lesson 8 Review Questions 131

Cross-Curricular Projects 133

Web Project 134

Team Project 134

HOW DO I USE DATABASE SOFTWARE? 135

What Is Database Software? 135

Creating a Database 136

Entering Data into a Table 138

Querying a Database 140

Modifying the Table Structure 140

Updating a Database 142

Printing a Database 142

Creating and Using Forms 142

Creating and Using a Report 142

Summary 144

Lesson 9 Review Questions 144

Cross-Curricular Projects 146

Web Project 147

Team Project 147

HOW DO I USE PRESENTATION GRAPHICS SOFTWARE? 148

Using Visuals in a Presentation 148

Creating a Presentation 150

Working in Different Views 153

Adding a Chart to your Presentation 154

Adding WordArt to a Presentation 156

Adding Design to a Presentation 158

Printing Your Presentation 160

Preparing an Effective Presentation 161

Delivering a Presentation 162

Summary 163

Lesson 10 Review Questions 164

Cross-Curricular Projects 165

Team Project 166

Web Project 166

HOW DO I USE DESKTOP PUBLISHING SOFTWARE? 167

What Is Desktop Publishing? 167

Stages in the Desktop Publishing Process 168

Layout and Design 170

Using Graphics 172

Using Color 174

Using Lines 174

Using Other Elements 174

Desktop Publishing Tips 176

Summary 176

Lesson 11 Review Questions 177

Cross-Curricular Projects 178

Team Project 179

Web Project 179

WHAT IS A NETWORK? 180

Introducing Networks 180

Communications Media 182

Network Hardware 185

Types of Networks 187

Network Topologies 189

Communications Protocols 190

Network Operating Systems Software 191

Summary 191

Lesson 12 Review Questions 192

Cross-Curricular Projects 194

Web Project 194

Team Project 194

WHAT IS THE INTERNET? 195

Evolution of the Internet 195

Accessing the INTERNET-Dial in or Direct Connection 196

How does the Internet Work? 198

Major Features of the Internet 200

Summary 210

Lesson 13 Review Questions 212

Cross-Curricular Projects 213

Web Project 214

Team Project 214

WHAT BASIC SKILLS DO I NEED TO USE THE INTERNET? 215

What Is a Browser? 215

Browser Terminology 217

Browser Basics 218

Copy and Save Text, Web Pages, and Images 229

E-Mail 234

Summary 238

Lesson 14 Review Questions 239

Cross-Curricular Projects 240

Web Project 241

Team Project 241

HOW DO I DO RESEARCH ON THE INTERNET? 242

The Key to a Successful Search 242

Why Search the Internet? 243

Introducing Search Engines 244

Specialty Search Engines 250

Subject Directory Searching 253

Tools and Techniques for Searching the Web 257

Summary 261

Lesson 15 Review Questions 262

Cross-Curricular Projects 263

Web Project 264

Team Project 264

Viewing a Page 266

HOW DO I EVALUATE ELECTRONIC INFORMATION? 266

Evaluating Information Found on the Internet 266

Criteria for Evaluating Electronic Information 269

Types of Internet Resources 270

Citing Internet Resources 271

Internet Detective 273

Evaluation Survey 273

Summary 274

Lesson 16 Review Questions 274

Cross-Curricular Projects 275

Web Project 276

Team Project 276

HOW DO I CREATE A WEB PAGE? 277

How a Web Page Works 277

A Basic Page 279

Plan a Document 279

Page Formatting 282

Text Formatting 286

Hyperlinks 291

Images 293

Backgrounds 299

Publishing Your Web page 299

Summary 300

Lesson 17 Review Questions 301

Cross-Curricular Projects 302

Web Project 303

Team Project 303

HOW CAN I USE TECHNOLOGY TO SOLVE A PROBLEM? 304

How Does Technology Solve Problems for You? 304

What Is Problem Solving? 306

Problem-Solving Steps 306

Problem Solving with Computers in Action 307

Using Technology Tools to Solve Problems 308

Other Technologies 314

Summary 315

Lesson 18 Review Questions 315

Cross-Curricular Projects 317

Web Project 317

Team Project 318

WHAT ARE SOME TECHNOLOGICAL ISSUES? 319

Types of Computer Crimes 319

Privacy 322

Security 323

Software Piracy 324

Protection for Technology Injuries 325

Summary 326

Lesson 19 Review Questions 327

Cross-Curricular Projects 328

Web Project 329

Team Project 329

HOW IS TECHNOLOGY CHANGING THE WORKPLACE AND SOCIETY? 330

Education 330

Scientific Discovery and Technological Innovations 337

Work and Play 340

Summary 344

Lesson 20 Review Questions 345

Cross-Curricular Projects 346

Web Project 347

Team Project 347

Glossary 348

术语表 356

Index 367