Unit 1　Recognize Computer　1
Text 1　Do You Know Them? 　1
Text 2　Notebook Computer　5
Text 3　Communicate with Computer　9
Text 4　Simple Introduction of Installation　13

Unit 2　Use Computer　21
Text 1　Guess What It is　21
Text 2　What does a Computer Look Like? 　25
Text 3　Introduction of a Window　28
Text 4　Learning Computer Knowledge All by Yourself　33

Unit 3　Overview of Computer　41
Text 1　Components of Computer　41
Text 2　About keyboard　44
Text 3　Kinds of Computers　47
Text 4　Generations of Electronic Computer　53

Unit 4　Computer Networking　62
Text 1　Welcome to the Web　62
Text 2　Internet　66
Text 3　Hackers Are Enemy Number One on The Internet　71
Text 4　Local Area Network　76

Unit 5　Multimedia　85
Text 1　What is Multimedia? 　85
Text 2　What Does the Multimedia Actually Mean? 　88
Text 3　Uses for Multimedia　92
Text 4　Multimedia Technology　96

Unit 6　Computer Virus　104
Text 1　Computer Virus　104
Text 2　Virus Behavior　108
Text 3　How to Protect Your Data　112
Text 4　Number of Viruses　117

Unit 7　Computer Software　124
Text 1　What is an Operating System　124
Text 2　Types of Operating Systems　127
Text 3　Setting Up Windows　131
Text 4　Windows 2000 Overview　136

Unit 8　Computer Hardware　145
Text 1　Organization of Computer System Components　145
Text 2　CPU　149
Text 3　Motherboard　154
Text 4　Storage　159

Appendix: Word List　167