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Unit 1 An Overview of Computers 1 Section 1 Situational Dialogue£ºComputer Debate 1 Section 2 Reading Material: Instruction to the Development of Computers 2 Section 3 Reading Material: Classification of Computers Systems 6 Section 4 Extended Reading: What are the Benefits of Computers in School? 10 Section 5 Extended Reading: What are the Advantages of Computers in Business? 11 Section 6 Extended Reading: Commencement Speech at Stanford Given by Steve Jobs 13 Unit 2 Computer Hardware 19 Section 1 Situational Dialogue£ºTeens and Computers 19 Section 2 Reading Material: The Hardware 20 Section 3 Reading Material: The Motherboard 25 Section 4 Extended Reading: How Bluetooth is Making Our Lives Easier 28 Section 5 Extended Reading: Alibaba Group will Invest $15B into a New Global Research and Development Program 29 Section 6 Extended Reading: 10 Ways to Make a Computer Move Faster 30 Unit 3 Operating System 33 Section 1 Situational Dialogue£ºSystem Crash 33 Section 2 Reading Material: Operating System 35 Section 3 Reading Materia: An Overview on the Most Commonly-used OS 39 Section 4 Extended Reading: Android Operating System 43 Section 5 Extended Reading: Comparison between Linux and Windows 44 Section 6 Extended Reading: Should You Upgrade or Repair Your Computer? 46 Unit 4 Application Software 49 Section 1 Situational Dialogue£ºA Job Interview 49 Section 2 Reading Material: Instruction to the Computer Application Software 51 Section 3 Reading Material: Using the Speak Feature in Office 2010 53 Section 4 Extended Reading: The Office 2010 Suite will be Released 58 Section 5 Extended Reading: Microsoft Teams Challenges Slack for Office Dominance 60 Section 6 Extended Reading: The Way Ahead: Innovating Together in China¡ªby William H. Gates 61 Unit 5 Programming Language 65 Section 1 Situational Dialogue£ºCall about Courses of Computer Programming 65 Section 2 Reading Material: Introduction to Programming Language 66 Section 3 Reading Material: The C Programming Language 69 Section 4 Extended Reading: What is the ¡°Java language¡±? 73 Section 5 Extended Reading: Object-oriented Programming 74 Section 6 Extended Reading: How to Learn a Programming Language 76 Unit 6 Network and Internet 83 Section 1 Situational Dialogue£ºAbout Going Online 83 Section 2 Reading Material: Instruction to the Network 84 Section 3 Reading Material: Instruction to the Internet 87 Section 4 Extended Reading: How to Use the Internet 91 Section 5 Extended Reading: Set up an FTP between Two Computers 95 Section 6 Extended Reading: To Be Completely Anonymous on the Internet 101 Unit 7 Information Security 104 Section 1 Situational Dialogue£ºComputer Hackers 104 Section 2 Reading Material: Computer Viruses 105 Section 3 Reading Material: The Ways to Protect Information Security 109 Section 4 Extended Reading£ºWhat Does a Data Security Manager Do? 112 Section 5 Extended Reading£ºHow to Create a Secure and Stable Windows System 113 Section 6 Extended Reading£ºCreate a Perfect Password: Ten Easy Steps to Stay Secure 114 Appendix Index of Basic Vocabulary 118 References 136