Introduction to Information and Communication Technologies chapter-01.pptx

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1. Objectives Overview Prepared By: Najaf Ali Khan 2 See Page 3 for Detailed Objectives

2. Objectives Overview Prepared By: Najaf Ali Khan 3 See Page 3 for Detailed Objectives

3. A World of Computers Computers are everywhere Prepared By: Najaf Ali Khan 4 Pages 4 - 5 Figure 1-1

4. What is a COMPUTER? An electronic device, operating under the control of instructions stored in its own memory unit, that can accept data, manipulate data according to specific rules, produce information from the processing, and store the results for future use. Prepared By: Najaf Ali Khan 5

5. What Is a Computer? A computer is an electronic device, operating under the control of instructions stored in its own memory Prepared By: Najaf Ali Khan 6 Page 6 Information Processing Cycle

6. Data and Information Computers process data into information. Data is a collection of unprocessed items, which can include text, numbers, images, audio, and video . Information conveys meaning and is useful to people. Prepared By: Najaf Ali Khan 7

7. Data and Information ? Prepared By: Najaf Ali Khan 8 Page 6 Figure 1-2

8. Information Processing Cycle Computers process data (input) into information (output). Computers carry out processes using instructions , which are the steps that tell the computer how to perform a particular task. A collection of related instructions organized for a common purpose is referred to as software . A computer often holds data, information, and instructions in storage for future use. Some people refer to the series of input, process, output, and storage activities as the information processing cycle . Recently, communications also has become an essential element of the information processing cycle. Prepared By: Najaf Ali Khan 9

9. The Components of a Computer A computer contains many electric, electronic, and mechanical components known as hardware Prepared By: Najaf Ali Khan 10 Pages 6 - 8

10. The Components of a Computer Prepared By: Najaf Ali Khan 11 Page 7 Figure 1-3

11. Advantages and Disadvantages of Using Computers Advantages of Using Computers Disadvantages of Using Computers Prepared By: Najaf Ali Khan 12 Pages 9 - 10

12. 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 Prepared By: Najaf Ali Khan 13 Page 10 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Green Computing below Chapter 1

13. Networks and the Internet A network is a collection of computers and devices connected together, often wirelessly,via communications devices and transmission media Prepared By: Najaf Ali Khan 14 Pages 10 - 11 Figure 1-6

14. Networks and the Internet The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals Prepared By: Najaf Ali Khan 15 Page 11 Figure 1-7 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click The Internet below Chapter 1

15. Networks and the Internet People use the Internet for a variety of reasons: Prepared By: Najaf Ali Khan 16 Pages 12 - 13 Figure 1-8

16. 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 Prepared By: Najaf Ali Khan 17 Page 14 Figure 1-9 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Facebook below Chapter 1

17. Computer Software Software , also called a program , tells the computer what tasks to perform and how to perform them Prepared By: Najaf Ali Khan 18 Pages 15 - 16 Figures 1-10 - 1-11 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Windows below Chapter 1

18. Computer Software Installing is the process of setting up software to work with the computer, printer, and other hardware Prepared By: Najaf Ali Khan 19 Pages 16 - 17 Figure 1-12

19. Computer Software A programmer develops software or writes the instructions that direct the computer to process data into information Prepared By: Najaf Ali Khan 20 Page 18 Figure 1-13

20. Categories of Computers Prepared By: Najaf Ali Khan 21 Page 19

21. 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 Prepared By: Najaf Ali Khan 22 Page 19 Figures 1-15 - 1-16

22. Mobile Computers and Mobile Devices Prepared By: Najaf Ali Khan 23 Pages 20 - 23

23. Mobile Computers and Mobile Devices Prepared By: Najaf Ali Khan 24 Pages 20 - 22 Figures 1-17 – 1-20 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Camera Phone below Chapter 1

24. Mobile Computers and Mobile Devices Prepared By: Najaf Ali Khan 25 Pages 22 - 23 Figures 1-21 – 1-23 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Digital Cameras below Chapter 1

25. Game Consoles A game console is a mobile computing device designed for single-player or multiplayer video games Prepared By: Najaf Ali Khan 26 Page 24 Figure 1-24

26. 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 Prepared By: Najaf Ali Khan 27 Page 25 Figure 1-25

27. Mainframes A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously Prepared By: Najaf Ali Khan 28 Page 25 Figure 1-26

28. Supercomputers A supercomputer is the fastest, most powerful computer Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second Prepared By: Najaf Ali Khan 29 Page 25 Figure 1-27

29. Embedded Computers An embedded computer is a special-purpose computer that functions as a component in a larger product Prepared By: Najaf Ali Khan 30 Page 26

30. Embedded Computers Prepared By: Najaf Ali Khan 31 Page 26 Figure 1-28

31. Elements of an Information System Prepared By: Najaf Ali Khan 32 Page 27 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Women in Technology below Chapter 1

32. Elements of an Information System Prepared By: Najaf Ali Khan 33 Page 27 Figure 1-29

33. Examples of Computer Usage Prepared By: Najaf Ali Khan 34 Pages 28 – 31 Figures 1-30 – 1-32 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Minorities in Technology below Chapter 1

34. Examples of Computer Usage Prepared By: Najaf Ali Khan 35 Pages 31 – 32 Figures 1-33 – 1-34 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Enterprise Computing below Chapter 1

35. Computer Applications in Society Prepared By: Najaf Ali Khan 36 Pages 34 - 36 Figures 1-36 – 1-39

36. Computer Applications in Society Prepared By: Najaf Ali Khan 37 Pages 36 - 38 Figures 1-40 – 1-43 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click OnStar below Chapter 1

37. Video: Computer History in a Barn Prepared By: Najaf Ali Khan 38 CLICK TO START

38. Summary Prepared By: Najaf Ali Khan 39 Page 39

39. Chapter 1 Complete