Chapter 1 Computer Hardware 1
1.1 Overview of Computer Hardware 1
1.1.1 Computer Hardware Components 1
1.1.2 Types of Computers 3
1.2 Motherboard 5
1.3 CPU 7
1.4 Storage 8
1.4.1 Main Memory 9
1.4.2 Hard Disk 10
1.5 I/O Device 12
1.5.1 Monitor 12
1.5.2 Keyboard 14
1.5.3 Mouse 15
Reading Materials 17
Text A 17
Text A译文 20
Text B 23
Exercises 25
Reference Translation 28
Chapter 2 Comput er Software 36
2.1 Introduction to Computer Software 36
2.2 System Software 38
2.2.1 Introduction to System Software 38
2.2.2 Operating Systems 39
2.3 Application Softtware 41
2.3.1 Defftion 41
2.3.2 Different Types of Application Software 42
2.4 Programming Language 44
2.5 Data Structure 47
Reading Materials 49
Text A 49
Text A译文 51
Text B 54
Exercises 56
Reference Translation 59
Chapter 3 Comput er Networks 67
3.1 Concept of Computer Network 67
3.2 Network Classification 68
3.2.1 Overview 68
3.2.2 LAN 71
3.2.3 WAN 72
3.3 Network Topology 73
3.4 Network Connection Devices 75
3.5 Internet 77
Reading Materials 81
Text A 81
Text A译文 82
Text B 83
Exercises 85
Reference Translation 88
Chapter 4 Database 96
4.1 Introduction to Database 96
4.1.1 Database Types 96
4.1.2 Database Models 98
4.2 Relational Database 100
4.2.1 Introduction to Relational Database 100
4.2.2 The Relational Database Model 100
4.2.3 History of Relational Database 101
4.3 DBMS 102
4.3.1 Introduction to DBMS 102
4.3.2 Functions of DBMS 102
4.3.3 DBMS Types 105
4.3.4 Components of DBMS 105
4.4 SQL 107
4.4.1 Language Elements 108
4.4.2 Queries 108
4.4.3 Null and Three-valued Logic（3VL） 109
4.4.4 Data Manipulation 111
4.4.5 Transaction Controls 111
4.4.6 Data Definition 112
4.4.7 Data Types 113
4.4.8 Data Control 114
4.5 XML Database 115
Reading Materials 116
Text A 116
Text A译文 117
Text B 118
Exercises 121
Reference Translation 124
Chapter 5 Multimedia 139
5.1 Introduction to Multimedia 139
5.1.1 Elements of Multimedia 140
5.1.2 Where to Use Multimedia 140
5.2 The Multimedia Personal Computer 143
5.3 Multimedia Equipment 145
5.4 Computer Graphics 146
5.4.1 Introduction to Computer Graphics 146
5.4.2 Image Compression 147
5.5 Computer Animation 149
Reading Materials 151
Text A 151
Text A译文 152
Text B 153
Exercises 157
Reference Translation 160
Chapter 6 New Vogue In Computer Field 168
6.1 Robots Technology 168
6.1.1 Definitions About Robot 169
6.1.2 Modern Robot 169
6.1.3 Social Impact 171
6.2 Virtual Reality 173
6.3 Third Generation（3G） 177
6.4 Internet of Things 179
6.5 Cloud Computing 182
Reading Materials 183
Text A 183
Text A译文 184
Text B 185
Exercises 186
Reference Translation 189