Unit 1 Today's Computer 1
Dialogue 2
Text A Computer:An Important Role in People's Lives 2
Text B Networks and the Internet 8
Exercises 14
Unit 2 The Elements of Hardware 16
Dialogue 17
Text A Inside the System Unit 18
Text B Storage Systems 24
Text C Input and Output 34
Exercises 43
Unit 3 Starting a Computer 46
Dialogue 47
Text A Using the Windows Operating System 47
Text B E-mail and Downloading 62
Exercises 69
Unit 4 The Elements of the Internet and Web 72
Dialogue 73
Text A Introduction of the Internet and World Wide Web 73
Text B How to Surf the Web 77
Exercises 83
Unit 5 Systems Software 85
Dialogue 86
Text A Windows 87
Text B Other Operating Systems 93
Exercises 97
Unit 6 Application Software 99
Dialogue 100
Text A What is Application Software 100
Text B Adobe Flash,P2P MSN Messenger and Skype 105
Exercises 114
Unit 7 Networks 117
Dialogue 118
Text A What is a Network 118
Text B How Networks Work 123
Exercises 131
Unit 8 The Internet and World Wide Web 135
Dialogue 136
Text A Internet Connectivity Issues 136
Text B Searching the Internet 140
Text C Online Shopping,TV Movies and Music,Blog and You Tube 143
Exercises 148
Unit 9 E-Business and E-Commerce 151
Dialogue 152
Text A What is E-business and E-commerce 152
Text B E-business Applications 157
Exercises 161
Unit 10 Database(A) 164
Dialogue 165
Text A Introduction of Database 165
Text B Data Concepts and Characteristics 169
Exercises 172
Unit 11 Database(B) 175
Dialogue 176
Text A Database Models 176
Text B Databases and the Web 181
Exercises 185
Unit 12 Social Issues 188
Dialogue 189
Text A Computer Crime 189
Text B Computer Security 194
Text C Computer and Privacy 198
Exercises 201
参考答案 205
参考译文 206
参考文献 277