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Objectives Overview

Objectives Overview. See Page 1 for Detailed Objectives. Objectives Overview. See Page 1 for Detailed Objectives. A World of Computers. Computers are everywhere. Pages 2 - 3 Figure 1-1. What Is a Computer?.

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Objectives Overview

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  1. Objectives Overview See Page 1 for Detailed Objectives Discovering Computers Fundamentals, 2012 Edition Chapter 1

  2. Objectives Overview See Page 1 for Detailed Objectives Discovering Computers Fundamentals, 2012 Edition Chapter 1

  3. A World of Computers • Computers are everywhere Pages 2 - 3 Figure 1-1 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  4. What Is a Computer? • A computer is an electronic device, operating under the control of instructions stored in its own memory Information Processing Cycle Pages 3 - 4 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  5. What Is a Computer? Page 4 Figure 1-2 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  6. The Components of a Computer • A computer contains many electric, electronic, and mechanical components known as hardware Pages 4 - 7 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  7. The Components of a Computer Page 5 Figure 1-3 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  8. Advantages and Disadvantages of Using Computers Advantages of Using Computers Disadvantages of Using Computers Page 7 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  9. Advantages and Disadvantages of Using Computers • Green computinginvolves 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 7 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  10. Networks and the Internet • A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media • The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals Page 8 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  11. Networks and the Internet Page 8 Figure 1-6 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  12. Networks and the Internet • People use the Internet for a variety of reasons: Pages 8 - 9 Figure 1-7 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  13. Networks and the Internet • A social networking Web siteencourages members to share their interests, ideas, stories, photos, music, and videos with other registered users • Also called an online social network Page 10 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  14. Computer Software • Software, also called a program, tells the computer what tasks to perform and how to perform them Pages 11 - 12 Figures 1-8 – 1-9 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  15. Computer Software • Installing is the process of setting up software to work with the computer, printer, and other hardware Pages 12 - 13 Figure 1-10 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  16. Computer Software • A programmer develops software or writes the instructions that direct the computer to process data into information Page 13 Figure 1-11 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  17. Categories of Computers Pages 14 - 15 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  18. Personal Computers • A personal computercan perform all of its input, processing, output, and storage activities by itself • Two popular architectures are the PC and the Apple • Desktop computer Pages 15 - 16 Figures 1-13 - 1-14 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  19. Mobile Computers and Mobile Devices Pages 16 - 18 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  20. Mobile Computers and Mobile Devices Pages 16 - 17 Figures 1-15 – 1-18 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  21. Mobile Computers and Mobile Devices Pages 17 - 18 Figures 1-19 – 1-20 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  22. Game Consoles • A game consoleis a mobile computing device designed for single-player or multiplayer video games Page 18 Figure 1-21 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  23. 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 19 Figure 1-22 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  24. Mainframes • A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously Page 19 Figure 1-23 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  25. 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 19 Figure 1-24 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  26. Embedded Computers • An embedded computeris a special-purpose computer that functions as a component in a larger product Page 19 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  27. Embedded Computers Page 20 Figure 1-25 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  28. Examples of Computer Usage Pages 20 – 23 Figures 1-26 – 1-28 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  29. Examples of Computer Usage Pages 23 – 24 Figures 1-29 – 1-30 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  30. Computer Applications in Society Pages 24 - 26 Figures 1-31 – 1-34 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  31. Computer Applications in Society Pages 26 - 27 Figures 1-35 – 1-38 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  32. Summary Page 28 Discovering Computers Fundamentals, 2012 Edition Chapter 1

  33. Chapter 1 Complete

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