编写说明 1
前言 1
Unit One Introduction To Computer 1
1 What Is a Computer System 1
2 The Evolution of Computers 6
3 Types of Computer Systems 11
Reading Material 15
Translation of The Text 16
Unit Two Computer Hardware 19
1 A Basic Microcomputer Organization 19
2 The Central Processing Unit 24
3 The Memory Unit 28
4 Secondary Storage 32
5 The Computer Input/Output System 37
Reading Material 43
Translation of The Text 44
Unit Three Computer Software 47
1 Software 47
2 Operating System 52
3 Disk Operating System 56
4 Microsoft Windows 61
Reading Material 66
Translation of The Text 67
Unit Four Program Design 70
1 Programming Languages 70
2 The Program Development Process 75
Reading Material 80
Translation of The Text 81
1 Database Technology 84
Unit Five Database 84
2 The Architecture of a DBMS 89
3 Data Independence,Integrity and Security 94
Reading Material 99
Translation of The Text 100
Unit Six Network 103
1 Growth of Computer Networking 103
2 Computer Networks 107
3 Networks Advantages 113
4 Using a Modem 118
Reading Material 123
Translation of The Text 124
1 Office Automation 128
Unit Seven Applications of Computers 128
2 Multimedia 133
3 Computers in Science 138
Reading Material 142
Translation of The Text 143
Unit Eight Computer Virus 146
1 What Is a Virus？ 146
2 What Kinds of Viruses Are There？ 150
3 Protecting Your Computer Data Against Viruses 153
Reading Material 157
Translation of The Text 158
附录 计算机常用术语 160
主要参考书目 175