Chapter 01 - Introduction to Computers
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This document provides an overview of Chapter 1 from the textbook "Discovering Computers 2011: Living in a Digital World". The chapter introduces computers and their components, software, different types of computers including PCs, mobile devices, servers and supercomputers. It discusses computer networks and the internet. It also covers advantages and disadvantages of computer use, and provides examples of how computers are used in various aspects of society.
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Chapter 01 - Introduction to Computers
- 2. Objectives Overview See Page 3 for Detailed Objectives Discovering Computers 2011: Living in a Digital World Chapter 1
- 3. Objectives Overview See Page 3 for Detailed Objectives Discovering Computers 2011: Living in a Digital World Chapter 1
- 4. A World of Computers Computers are everywhere Pages 4 - 5 Figure 1-1 Discovering Computers 2011: Living in a Digital World Chapter 1
- 5. What Is a Computer? A computer is an electronic device, operating under the control of instructions stored in its own memory Page 6 Discovering Computers 2011: Living in a Digital World Chapter 1 Information Processing Cycle
- 6. What Is a Computer? Page 6 Figure 1-2 Discovering Computers 2011: Living in a Digital World Chapter 1
- 7. The Components of a Computer A computer contains many electric, electronic, and mechanical components known as hardware Pages 6 - 8 Discovering Computers 2011: Living in a Digital World Chapter 1
- 8. The Components of a Computer Page 7 Figure 1-3 Discovering Computers 2011: Living in a Digital World Chapter 1
- 9. Advantages and Disadvantages of Using Computers Advantages of Using Computers Disadvantages of Using Computers Pages 9 - 10 Discovering Computers 2011: Living in a Digital World Chapter 1
- 10. Advantages and Disadvantages of Using Computers Green computing involves reducing the electricity consumed and environmental waste generated when using a computer Strategies include: Recycling Regulating manufacturing processes Extending the life of computers Immediately donating or properly disposing of replaced computers Page 10 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Green Computing below Chapter 1
- 11. Networks and the Internet A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media Pages 10 - 11 Figure 1-6 Discovering Computers 2011: Living in a Digital World Chapter 1
- 12. Networks and the Internet The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals Page 11 Figure 1-7 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click The Internet below Chapter 1
- 13. Networks and the Internet People use the Internet for a variety of reasons: Pages 12 - 13 Figure 1-8 Discovering Computers 2011: Living in a Digital World Chapter 1
- 14. Networks and the Internet A social networking Web site encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users Page 14 Figure 1-9 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Facebook below Chapter 1
- 15. Computer Software Software , also called a program , tells the computer what tasks to perform and how to perform them Pages 15 - 16 Figures 1-10 - 1-11 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Windows below Chapter 1
- 16. Computer Software Installing is the process of setting up software to work with the computer, printer, and other hardware Pages 16 - 17 Figure 1-12 Discovering Computers 2011: Living in a Digital World Chapter 1
- 17. Computer Software A programmer develops software or writes the instructions that direct the computer to process data into information Page 18 Figure 1-13 Discovering Computers 2011: Living in a Digital World Chapter 1
- 18. Categories of Computers Page 19 Discovering Computers 2011: Living in a Digital World Chapter 1
- 19. Personal Computers A personal computer can perform all of its input, processing, output, and storage activities by itself Two popular architectures are the PC and the Apple Desktop computer Page 19 Figures 1-15 - 1-16 Discovering Computers 2011: Living in a Digital World Chapter 1
- 20. Mobile Computers and Mobile Devices Pages 20 - 23 Discovering Computers 2011: Living in a Digital World Chapter 1
- 21. Mobile Computers and Mobile Devices Pages 20 - 22 Figures 1-17 – 1-20 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Camera Phone below Chapter 1
- 22. Mobile Computers and Mobile Devices Pages 22 - 23 Figures 1-21 – 1-23 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Digital Cameras below Chapter 1
- 23. Game Consoles A game console is a mobile computing device designed for single-player or multiplayer video games Page 24 Figure 1-24 Discovering Computers 2011: Living in a Digital World Chapter 1
- 24. Servers A server controls access to the hardware, software, and other resources on a network Provides a centralized storage area for programs, data, and information Page 25 Figure 1-25 Discovering Computers 2011: Living in a Digital World Chapter 1
- 25. Mainframes A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously Page 25 Figure 1-26 Discovering Computers 2011: Living in a Digital World Chapter 1
- 26. Supercomputers A supercomputer is the fastest, most powerful computer Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second Page 25 Figure 1-27 Discovering Computers 2011: Living in a Digital World Chapter 1
- 27. Embedded Computers An embedded computer is a special-purpose computer that functions as a component in a larger product Page 26 Discovering Computers 2011: Living in a Digital World Chapter 1
- 28. Embedded Computers Page 26 Figure 1-28 Discovering Computers 2011: Living in a Digital World Chapter 1
- 29. Elements of an Information System Page 27 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Women in Technology below Chapter 1
- 30. Elements of an Information System Page 27 Figure 1-29 Discovering Computers 2011: Living in a Digital World Chapter 1
- 31. Examples of Computer Usage Pages 28 – 31 Figures 1-30 – 1-32 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Minorities in Technology below Chapter 1
- 32. Examples of Computer Usage Pages 31 – 32 Figures 1-33 – 1-34 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Enterprise Computing below Chapter 1
- 33. Computer Applications in Society Pages 34 - 36 Figures 1-36 – 1-39 Discovering Computers 2011: Living in a Digital World Chapter 1
- 34. Computer Applications in Society Pages 36 - 38 Figures 1-40 – 1-43 Discovering Computers 2011: Living in a Digital World Chapter 1 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click OnStar below Chapter 1
- 35. Video: Computer History in a Barn Discovering Computers 2011: Living in a Digital World Chapter 1 CLICK TO START
- 36. Summary Page 39 Discovering Computers 2011: Living in a Digital World Chapter 1