Unit 1 Computer Basics 1
1.1 Computer 1
1.2 Types of Computers 3
1.3 Exercises 5
1.4 Reading Material 7
Language Focus 8
Unit 2 Computer Hardware 10
2.1 System Units 10
2.2 Input and Output Devices 11
2.3 Inside a Computer 13
2.4 Exercises 16
2.5 Reading Material 18
Language Focus 19
Unit 3 Computer Software 21
3.1 Operating System 21
3.2 Application Software 24
3.3 Exercises 27
3.4 Reading Material 29
Language Focus 32
Unit 4 Database 34
4.1 Database Basics 34
4.2 Database Design 36
4.3 Exercises 39
4.4 Reading Material 41
Language Focus 44
Unit 5 Programming and Languages 47
5.1 Programming Basics 47
5.2 Programming Languages 50
5.3 Exercises 54
5.4 Reading Material 56
Language Focus 60
Unit 6 Computer Networks 62
6.1 Network Basics 62
6.2 The Internet 65
6.3 Exercises 67
6.4 Reading Material 69
Language Focus 71
Unit 7 Multimedia 73
7.1 Multimedia Basics 73
7.2 Multimedia Components 75
7.3 Exercises 78
7.4 Reading Material 79
Language Focus 84
Unit 8 Computer Security 87
8.1 Computer Security 87
8.2 Internet Security 91
8.3 Exercises 93
8.4 Reading Material 95
Language Focus 97
Unit 9 Information Technology 99
9.1 Data Communication 99
9.2 Electronic Communication 104
9.3 Exercises 107
9.4 Reading Material 109
Language Focus 110
Unit 10 New Technology 113
10.1 The Cloud 113
10.2 Internet of Things 115
10.3 Exercises 118
10.4 Reading Material 120
Language Focus 122
Appendix A Exercise Answers 124
Appendix B Vocabulary List 134
Appendix C Technical Terms 143
Appendix D 计算机专业英语常用前后缀与词根 157
参考译文 159