Unit 1 The Development of Computer Technology 1
Unit 2 Introduction to Computer Systems 13
Unit 3 Description of the Operating Systems 28
Unit 4 Introduction to Computer Programming 43
Unit 5 Database Fundamentals 60
Unit 6 Your Old Friend Microsoft Office 77
Unit 7 Computer Network 91
Unit 8 What Is the Internet 108
Unit 9 Introduction to Web Development 125
Unit 10 E-commerce 142
Unit 11 Multimedia on the Web 159
Unit 12 The Difference between a Computer Virus,Worm and Trojan Horse 175
Selected Reading Passages 189
附录 参考译文与参考答案 216
阅读文选参考译文 316
参考文献 332