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