Unit 1 Recapitulate of Computer Development

Unit 2 Computer System

Unit 3 Categories of Computers

Unit 4 Data Representation

Unit 5 Computer Hardware

Unit 6 Central Processing Unit

Unit 7 Memory

Unit 8 Storage Devices

Unit 9 Expansion Slots,Cards,and Ports

Unit 10 Input Devices

Unit 11 Output Devices

Unit 12 System Software

Unit 13 Application Software

Unit 14 User Interface

Unit 15 Programming Language Characteristics

Unit 16 How People Make Programs

Unit 17 Science of Computing

Unit 18 Viruses and Other Invaders

Unit 19 Local Area Networks

Unit 20 The Internet

Unit 21 Multimedia

Unit 22 Artificial Intelligence

Unit 23 Database

词汇表

Key to Exercises