Unit 1 Basic Introduction to Computers and Information 1
Part 1 Dialogue 1
Dialogue：Buying a New Computer 1
Part 2 Reading 2
Section A：Computer Overview 2
Section B：Information Revolution 6
Section C：Tips for Computer Beginners 13
Unit 2 Computer Fundamentals 15
Part 1 Dialogue 15
Dialogue：Protecting Buyer， Privacy with Online Payment Services 15
Part 2 Reading 17
Section B：Operating System 22
Section C：The Universal Serial Bus 28
Unit 3 Software for Systems 33
Part 1 Dialogue 33
Dialogue：Team Structure 33
Part 2 Reading 34
Section A：Google Glass 34
Section B：Cloud Computing 38
Section C：Algorithms and Flowchart 41
Unit 4 Software Development 45
Part 1 Dialogue 45
Dialogue：How to Create High-Quality Code 45
Part 2 Reading 46
Section A：Computer Program 46
Section B：Programming Languages 53
Section C：The Java Language 59
Unit 5 Managing Databases 64
Part 1 Dialogue 64
Dialogue：Installing Sybase Adaptive Database Software 64
Part 2 Reading 66
Section B：Big Data 72
Section C：Introduction to DBMS 75
Unit 6 Computer Network 86
Part 1 Dialogue 86
Dialogue：Setting up Wireless Network 86
Part 2 Reading 88
Section A：Network Fundamentals 88
Section B：Information Security 94
Section C：Computer Network 98
Unit 7 Computer Security 103
Part 1 Dialogue 103
Dialogue：Software Testing 103
Part 2 Reading 104
Section A：3D Printing 104
Section B：Computer Security 108
Section C：Software Testing 114
Unit 8 E-Commerce and Software Maintenance 117
Part 1 Dialogue 117
Dialogue：Software Deployment 117
Part 2 Reading 118
Section A：Electronic Commerce 118
Section B：Goals for Your Online Business 124
Section C：Software Maintenance 127
Unit 9 Distributed System 131
Part 1 Dialogue 131
Dialogue：Taking an Interview 131
Part 2 Reading 133
Section A：What Does “Client-Server”Really Mean？ 133
Section C：Agent Technology 148
Unit 10 The Internet Times 152
Part 1 Dialogue 152
Dialogue：Beginning Your Work 152
Part 2 Reading 153
Section A：How Does the Internet Work 153
Section B：Browsers and Communications 159
Section C：Search Tools 164
中文译文 168