Unit One 1
Lesson One History of Computer Development 1
Text A The Brief History of the Computer 1
Text B The ENIAC 11
Lesson Two Computer Basics 15
Text A Primary Components of a Microcomputer 15
Text B Computers—Our Good Friends 22
Unit Two 26
Lesson Three Computer Hardware 26
Text A Hardware 26
Text B Hardware Installation 34
Lesson Four Computer Software 38
Text A Computer Software 38
Text B Offices Software 46
Lesson Five Operating System 50
Text A Operating System 50
Text B Windows XP 58
Lesson Six Office Automation 62
Text A Office Automation 62
Text B Microsoft Office 2003 71
Unit Three 74
Lesson Seven Programming Languages 74
Text A Programs and Programming Languages 74
Text B The Java Programming Language 82
Lesson Eight Database 85
Text A Definition of a Database 85
Text B What is a Relational Database? 93
Unit Four 97
Lesson Nine Making a Web Page 97
Text A Making a Web Page 97
Text B How Web Pages Work 106
Lesson Ten Photoshop Basics 109
Text A What is Photoshop? 109
Text B A Brief Introduction to Computer Graphics 117
Lesson Eleven Multimedia Technology 121
Text A Multimedia 121
Text B Elements of multimedia 129
Unit Five 133
Lesson Twelve Network Basics 133
Text A Network Introduction 133
Text B Reference Models for Computer Networks 141
Lesson Thirteen Application of Internet 145
Text A A Brief Introduction to the Application of Internet 145
Text B An introduction to Blog 154
Lesson Fourteen E-commerce 158
Text A Introduction to E-commerce 158
Text B Internet Phone Calls 165
Lesson Fifteen Computer Viruses and Prevention 170
Text A Introduction to Computer Viruses 170
Text B Virus Prevention 178
Comprehensive Exercises 182
Appendix Ⅰ Translation 185
Appendix Ⅱ Key to the Exercises 204
Appendix Ⅲ Glossary 212
Appendix Ⅳ Phrases and Expressions 226
Appendix Ⅴ Common Abbreviation 228
References 233