Unit 1 Todays Computer
Dialogue
Text A Computer： An Important Role in Peoples Lives
Text B Networks and the Intemet
Exercises
Unit 2 The Elements of Hardware
Dialogue
Text A Inside the System Unit
Text B Storage Systems
Text C Input and Output
Exercises
Unit 3 Starting a Computer
Dialogue
Text A Using the Windows Operating System
Text B E-mail and Downloading
Exercises
Unit 4 The Elements of the Internet and Web
Dialogue
Text A Introduction of the Intemet and World Wide Web
Text B How to Surf the Web
Exercises
Unit 5 Systems Software
Dialogue
TextA Windows
Text B Other Operating Systems
Exercises
Unit 6 Application Software
Dialogue
Text A What is Application Soft， rare
Text B Adobe Flash， P2P， MSN Messenger and Skype
Exercises
Unit 7 Networks
Dialogue
Text A What is a Network
Text B How Networks Work
Exercises
Unit 8 The Internet and World Wide Web
Dialogue
Text A Intemet Connectivity Issues
Text B Searching the Intemet
Text C Online Shopping， TV， Movies and Music， Blog and YouTube
Exercises
Unit 9 E-Business and E-Commerce
Dialogue
Text A What is E-business and E-commerce
Text B E-business Applications
Exercises
Unit 10 Database (A)
Dialogue
Text A Introduction of Database
Text B Data Concepts and Characteristics
Exercises
Unit 11 Database (B)
Dialogue
Text A Database Models
Text B Databases and the Web
Exercises
Unit 12 Social Issues
Dialogue
TextA Computer Crime
Text B Computer Security
Text C Computer and Privacy
Exercises
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参考译文
参考文献
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