Module 1 A Brief Introduction to Computers 1
Part Ⅰ Text 3
Unit 1 Computer System 3
Unit 2 Kinds of Computers 6
Unit 3 Generations of Computers 9
Screen English 11
Part Ⅱ Dialogue 13
Part Ⅲ Task 15
Module 2 Hardware 21
Part Ⅰ Text 23
Unit 4 Mainframe 23
Unit 5 Peripheral Equipments 26
Unit 6 System Board 32
Screen English 38
Part Ⅱ Dialogue 39
Part Ⅲ Task 41
Module 3 Software 43
Part Ⅰ Text 45
Unit 7 BIOS 45
Unit 8 Operating System 46
Unit 9 VirtualBox 55
Unit 10 Database 56
Unit 11 SQL 58
Unit 12 Multimedia 63
Screen English 69
Part Ⅱ Dialogue 71
Part Ⅲ Task 72
Module 4 Computer Network 79
Part Ⅰ Text 81
Unit 13 Computer Network 81
Unit 14 VLAN 88
Unit 15 Internet 91
Unit 16 Modem and NIC 93
Unit 17 Wi-Fi 94
Screen English 97
Part Ⅱ Dialogue 98
Part Ⅲ Task 99
Module 5 Computer Security 103
Part Ⅰ Text 105
Unit 18 Hardware Maintenance Manual 105
Unit 19 LCD Monitor Lens Protector 105
Unit 20 Network Maintenance 107
Unit 21 Viruses 109
Unit 22 Firewall 110
Screen English 111
Part Ⅱ Dialogue 112
Part Ⅲ Task 114
Abbreviation 117
References 119
Answers 120