Unit 1 What Is A Computer? 1
Unit 2 What Is A File? 7
Unit 3 Device Driver 13
Unit 4 Scsi 19
Unit 5 Microprocessor 24
Unit 6 Computers System Components 30
Unit 7 Computers System Components(Continued) 37
Unit 8 What Is A Processor? 42
Unit 9 What Is A Processor?(Continued) 48
Unit 10 File Systems 55
Unit 11 Plug And Play 61
Unit 12 The Disk Operating System(DOS) 68
Unit 13 The Disk Operating System(DOS)(Continued) 74
Unit l4 Internet Terminals 81
Unit 15 Downward Compatible and Upward Compatible 87
Unit 16 How to Use A Mouse 94
Unit 17 Types of Memory 102
Unit 18 How to Buy A Home Computer(1) 110
Unit 19 How to Buy A Home Computer(2) 117
Unit 20 How to Buy A Home Computer(3) 125
Unit 21 Software——What You Need 133
Unit 22 Scanner Overview 140
课文参考译文及练习参考答案 147
Appendix 1 微型计算机基本英文用语 191
Appendix 2 词汇表 204