1. Computers in Your Life Today Are You Ready to Become Wired? Chapter 1

2. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-2 Objectives 1.Understand the expanding role of the Web beyond just a place to surf to a place to gather vitally important information, schedule your life, interact with other people, and other activities. 2.Define a computer and identify its component parts according to hardware and software. 3.Describe the different types of computers by size, including personal digital assistants, notebooks, desktop computers, minicomputers, mainframes, and supercomputers.

3. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-3 Objectives cont. 4.Understand that the ethical use of computers and technology extends beyond just how you view the world and your values. 5.Interact with a basic computer system by using buttons, icons, links, and input fields. 6.Begin the process of buying a computer system by understanding your basic needs.

4. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-4 A:// You, Your Life, and the World Wide Web Web site Web site address –Unique name that identifies a Web site –Site address Example - Palm.com

5. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-5 Scheduling PDAs –Personal digital assistants –Small hand-held computers My.Palm.com –No PDA needed –Free scheduling and organization service How many of you own a PDA?

6. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-6 My.Palm.com Web Site Maintain your schedule by day, week, month, and even year

7. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-7 Hyperlinks Links –Clickable text –Clickable image Moves you from one Web site to another Moves you to different places within the same Web site

8. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-8 Links

9. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-9 Can I Use the Web to Pay Bills? Purchase products and services Use sites to charge against your credit card to pay bills –Make payments to government entities IRS State & local taxes –Pay tuition

10. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-10 Official Payments Web Site

11. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-11 Sharing Your Wisdom Forums for sharing –Epinions.com Read what others have to say Share your thoughts Royalty payments (eroyalties) Chat rooms –Virtual meeting place on the Web –Alias name is often used –Thoughts and ideas are expressed and shared www.mhhe.com/i-series

12. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-12 Practically Speaking Communication Throughout History How did the ancient Romans communicate? How efficient was the colonial postal system? How many days did it take for a stagecoach to deliver mail in 1785? Who introduced the PC in 1982?

13. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-13 Making the grade A ___________ is a specific location on the Web where you visit, gather information, and perhaps order products. A ___________ is a unique name that identifies a specific Web site on the Web.

14. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-14 Making the grade A ____________ is clickable text or an image that allows you to move from one Web site to another or move to different places within the same Web site. You can go to a ___________, a virtual meeting place on the Web, to communicate live with other people who happen to be on the Web at the same time.

15. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-15 B:// You and Your Computer Computer – a set of tools to perform information-related tasks –Surf the Web –Prepare a report –Keep a checkbook Computer system Why is a computer called a "mind support tool"?

16. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-16 Major Computer Components Hardware –Physical components of a computer Software –Set of instructions that hardware carries out

17. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-17 Software Categories System software Application software

18. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-18 System Software Allows computer to carry out technology-specific tasks Enables your computer to "speak" Examples –Windows 98, Windows 2000 Pro, Windows NT Workstation, Windows XP –Mac OS –Linux

19. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-19 Application Software Performs specific tasks such as… –Writing a term paper –Surfing the Web –Keeping a home budget Examples –Microsoft Office Suite –Corel Office Suite –Netscape Navigator

20. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-20 Computer Ad

21. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-21 Categories of Computer Hardware Capturing information. Processing information. Presenting information. Storing information. Communicating information to other people.

22. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-22 Categories of Computers By Size Personal Digital Assistant (PDAs) Notebook & laptop computers Desktop computers Minicomputers (Mid-range) Mainframe computers Supercomputers

23. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-23 IBuy Notebook versus Desktops Portability –Take your computer with you? –Use computer at home, work, or school? Price –What gets you more for your money? Quality of your interface –Need an ergonomically correct keyboard? –Is a higher screen resolution important?

24. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-24 Making the grade ________________ is the software that details how you would like to perform a specific task. A _______________ device helps you communicate information to other people in other locations.

25. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-25 Making the grade _______________ are the fastest, most powerful, and most expensive type of computers. Every part of your computer is either ____________ or __________.

26. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-26 C:// You, Your Computer, and Society Computer UNDERuse –Not learning to use many of the capabilities of your software and hardware –Not using all the buttons on a mouse ABuse of computers –Hackers breaking into computer systems –Computer viruses

27. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-27 The Abuse of Computers Hackers – people who use their computers and the Web to break into other computers Computer virus – a piece of software designed intentionally to cause annoyance or damage

28. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-28 The Ethical Use of Computers Ethics –Set of principles and standards –Used in deciding what to do in situations that affect other people –May be socially given standards –May be principles that are very personal to you Ethics differ from laws

29. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-29 Using Computers for the Right Reasons Always use your computer ethically Ethical behavior is essential in our society Is it unethical to forward an e-mail message without the author's permission?

30. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-30 I Series Insights Are Transactions on the Internet Really Safe? Providing credit card information for purchases –Most Web sites provide security –Just as safe as using your card in a restaurant –Not everyone sees your information –Credit card fraud on the Web is estimated to include less than 1 % of all transaction fraud

31. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-31 Making the grade We refer to most common wrong use of a computer as the _______-use of computer. Using a computer for really “wrong,” that is, unethical, reasons is called the ____- use of computers.

32. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-32 Making the grade A ________ is a piece of software designed intentionally to cause annoyance or damage. _________ is the set of principles and standards we use in deciding what to do in situation that affect other people.

33. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-33 D:// Understanding Computer Interfaces Graphical User Interface (GUI) –Buttons –Icons The Windows desktop is an example of a GUI

34. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-34 Interface Elements Yahoo buttons and graphical links –Input field and search button –Calendar –Messenger –Check Email Yahoo text-based links –Arts & Humanities –Recreation & Sports

35. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-35 Making the grade A ______ is a graphic or icon-driven interface on which you use your mouse to start software, use that software, and initiate various other functions. An _______ is a graphic representation of something that you click on once with the left mouse button.

36. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-36 Making the grade ____________ links on Web sites are almost always in blue and underlined.

37. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-37 E:// Consumer Issues Identify your needs for a computer Consider cost of a computer Advantages & disadvantages of purchasing and owning a computer

38. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-38 Making the grade You should buy a computer if you want one or if you ________ one. Many people like to buy a computer locally because the ____________ is local. Purchasing a computer is a very ___________ decision.

39. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-39 F:// "Key" Key Terms application software (p.1.9) computer (computer system) (p. 1.7) computer virus (virus) (p. 1.17) ethics (p. 1.18) hardware (p. 1.9) software (p.1.7) system software (p.1.8) website (p. 1.2)

40. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-40 Frequently Asked Questions Why do so many people own PDAs? How safe is it to pay my bills online? Why would someone "visit" a chat room? What's the difference between a computer and a computer system? What is utility software?

41. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-41 FAQs cont. What is an operating system? Give an example. Name a number of input devices that help you capture information on a computer. When would I use a modem? What is the difference between a notebook and a laptop computer?

42. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-42 Hands-On Projects E-Commerce Many music lovers are turning to the Internet to purchase CDs. What are the advantages of buying online? Some specialty food stores offer online ordering and will deliver food items. Is this a current trend or will there be more of this type of service in the future?

43. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-43 Hands-On Projects On the Web It is very easy to locate friends and family using the Web. How do feel about this type of personal information being available on the Web? How comfortable do you feel getting medical advice from the Web? How can the Web help individuals who are searching for medical information?

44. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-44 Hands-On Projects Ethics, Security, & Privacy How do you feel about employee's sending and receiving personal e-mail (not business related) during working hours? You work in the lab installing software on computers. Some at school, asks you for a copy of this software. What should you do?

45. McGraw-Hill/Irwin Copyright 2002 by the McGraw-Hill Companies, Inc. All rights reserved. 1-45 Hands-On Projects Group Activities You need a computer to create term papers and presentations. Find a computer store online and put together the complete system that you need. Don't forget the software. What jobs on the web can you find that require computer skills? Look for jobs that are not in the computer field.