1. Chapter 1 Introduction to Using Computers

2. CHAPTER 1 OBJECTIVES b Explain why it is important to be computer literate b Define the term computer b Identify the components of a computer b Explain why a computer is a powerful tool b Differentiate among the various categories of software

3. CHAPTER 1 OBJECTIVES (cont.) b Explain the purpose of a network b Discuss the uses of the Internet and the World Wide Web b Describe the categories of computers and their uses

4. COMPUTER LITERACY b Computer literacy Knowing how to use a computerKnowing how to use a computer Click to see Figure 1-1

5. COMPUTER LITERACY b Computer literacy Knowing how to use a computerKnowing how to use a computer Computers Are Everywhere Video

6. WHAT IS A COMPUTER AND WHAT DOES IT DO? An electronic machine, operating under the control of instructions stored in its own memory, that can accept data (input), manipulate data according to specified rules (process), produce results (output), and store the results for future use. An electronic machine, operating under the control of instructions stored in its own memory, that can accept data (input), manipulate data according to specified rules (process), produce results (output), and store the results for future use. Click to see Figure 1-2

7. THE COMPONENTS OF A COMPUTER b Input Devices Click to see Figure 1-3

8. b Input Devices b Output Devices THE COMPONENTS OF A COMPUTER

9. b Input Devices b Output Devices b System Unit THE COMPONENTS OF A COMPUTER Click to see Figure 1-4

10. b Input Devices b Output Devices b System Unit b Storage Devices THE COMPONENTS OF A COMPUTER Click to see Figure 1-7 Click to see Figure 1-6 Click to see Figure 1-5

11. b Input Devices b Output Devices b System Unit b Storage Devices b Communications Devices THE COMPONENTS OF A COMPUTER

12. WHY IS A COMPUTER SO POWERFUL? b Speed

13. WHY IS A COMPUTER SO POWERFUL? b Speed b Reliability

14. WHY IS A COMPUTER SO POWERFUL? b Speed b Reliability b Accuracy

15. WHY IS A COMPUTER SO POWERFUL? b Speed b Reliability b Accuracy b Storage

16. WHY IS A COMPUTER SO POWERFUL? b Speed b Reliability b Accuracy b Storage b Communications Click to see Figure 1-8

17. WHY IS A COMPUTER SO POWERFUL? b Speed b Reliability b Accuracy b Storage b Communications b Use of Computers Animation Click to view animation

18. COMPUTER SOFTWARE b Computer programs A series of instructions that tells the hardware of a computer how to perform tasksA series of instructions that tells the hardware of a computer how to perform tasks

19. COMPUTER SOFTWARE b Computer programs A series of instructions that tells the hardware of a computer how to perform tasksA series of instructions that tells the hardware of a computer how to perform tasks Installing programsInstalling programs Click to see Figure 1-9

20. COMPUTER SOFTWARE b Computer programs A series of instructions that tells the hardware of a computer how to perform tasksA series of instructions that tells the hardware of a computer how to perform tasks Installing programsInstalling programs Running programsRunning programs Click to see Figure 1-10

21. COMPUTER SOFTWARE b System Software Operating systemOperating system

22. COMPUTER SOFTWARE b System Software Operating systemOperating system Utility programsUtility programs User interfaceUser interface –Graphical user interface (GUI) –Microsoft Windows Click to see Figure 1-11

23. COMPUTER SOFTWARE b Application Software Packaged softwarePackaged software Click to see Figure 1-12

24. COMPUTER SOFTWARE b Application Software Packaged softwarePackaged software Custom softwareCustom software

25. COMPUTER SOFTWARE b Application Software Packaged softwarePackaged software Custom softwareCustom software SharewareShareware

26. COMPUTER SOFTWARE b Application Software Packaged softwarePackaged software Custom softwareCustom software SharewareShareware Freeware and public-domain softwareFreeware and public-domain software

27. COMPUTER SOFTWARE b Software Development Computer programmersComputer programmers

28. COMPUTER SOFTWARE b Software Development Computer programmersComputer programmers Systems analystSystems analyst

29. COMPUTER SOFTWARE b Software Development Computer programmersComputer programmers Systems analystSystems analyst Programming languageProgramming language Click to see Figure 1-13

30. NETWORKS AND THE INTERNET b Network Sharing resourcesSharing resources

31. NETWORKS AND THE INTERNET b Network Sharing resourcesSharing resources Local area network - LANLocal area network - LAN Click to see Figure 1-14

32. NETWORKS AND THE INTERNET b Network Sharing resourcesSharing resources Local area network - LANLocal area network - LAN Wide area networkWide area network Click to see Figure 1-15

33. NETWORKS AND THE INTERNET b Internet E-mailE-mail InformationInformation ShoppingShopping Meeting peopleMeeting people EntertainmentEntertainment Click to see Figure 1-16

34. NETWORKS AND THE INTERNET b Internet E-mailE-mail InformationInformation ShoppingShopping Meeting peopleMeeting people EntertainmentEntertainment Web pageWeb page Web siteWeb site Web browserWeb browser Click to see Figure 1-17

35. b Personal computers b Minicomputers b Mainframe computers b Supercomputers Click to see Figure 1-18 CATEGORIES OF COMPUTERS

36. b Can perform all of its input, processing, output, and storage activities by itself Click to see Figure 1-20 Click to see Figure 1-19 PERSONAL COMPUTERS

37. b Desktop Computers Click to see Figure 1-21 PERSONAL COMPUTERS

38. b Desktop Computers Tower modelTower model All-in-one computerAll-in-one computer Click to see Figure 1-22 PERSONAL COMPUTERS

39. b Desktop Computers Tower modelTower model All-in-one computerAll-in-one computer WorkstationWorkstation Stand-aloneStand-alone ServerServer Click to see Figure 1-23 PERSONAL COMPUTERS

40. b Desktop Computers Network computers and Web appliancesNetwork computers and Web appliances Click to see Figure 1-24 PERSONAL COMPUTERS

41. b Portable Computers Laptop computersLaptop computers Click to see Figure 1-25 PERSONAL COMPUTERS

42. b Portable Computers Laptop computersLaptop computers Handheld computersHandheld computers Click to see Figure 1-26 PERSONAL COMPUTERS

43. b Portable Computers Laptop computersLaptop computers Handheld computersHandheld computers –Pen computers Click to see Figure 1-27 PERSONAL COMPUTERS

44. b Portable Computers Laptop computersLaptop computers Handheld computersHandheld computers –Pen computers –Office on your arm video Click to view video PERSONAL COMPUTERS

45. b Support up to 4,000 users b Often connected via a terminal Click to see Figure 1-28 MINICOMPUTERS

46. b Large, expensive, very powerful computer that can handle hundreds or thousands of connected users Click to see Figure 1-29 MAINFRAME COMPUTERS

47. b Fastest, most powerful computer b Able to process more than 64 billion instructions per second Click to see Figure 1-30 SUPERCOMPUTERS

48. EXAMPLES OF COMPUTER USAGE b Variety of users and uses Click to see Figure 1-31

49. b Home User Home softwareHome software Click to see Figure 1-32 EXAMPLES OF COMPUTER USAGE

50. b Home User Home softwareHome software Software for childrenSoftware for children Click to see Figure 1-33 EXAMPLES OF COMPUTER USAGE

51. b Home User Home softwareHome software Software for childrenSoftware for children Home use of the webHome use of the web Click to see Figure 1-34 EXAMPLES OF COMPUTER USAGE

52. b Home User Home softwareHome software Software for childrenSoftware for children Home use of the webHome use of the web Computer family videoComputer family video Click to view video EXAMPLES OF COMPUTER USAGE

53. b Small Business User Desktop usersDesktop users Click to see Figure 1-35 EXAMPLES OF COMPUTER USAGE

54. b Small Business User Desktop usersDesktop users Productivity softwareProductivity software Click to see Figure 1-36 EXAMPLES OF COMPUTER USAGE

55. b Small Business User Desktop usersDesktop users Productivity softwareProductivity software Specialized softwareSpecialized software Click to see Figure 1-37 EXAMPLES OF COMPUTER USAGE

56. b Small Business User Desktop usersDesktop users Productivity softwareProductivity software Specialized softwareSpecialized software Web usageWeb usage Click to see Figure 1-38 EXAMPLES OF COMPUTER USAGE

57. b Small Business User Desktop usersDesktop users Productivity softwareProductivity software Specialized softwareSpecialized software Web usageWeb usage Small business web sitesSmall business web sites Click to see Figure 1-39 EXAMPLES OF COMPUTER USAGE

58. b Mobile User Many types of mobile usersMany types of mobile users Click to see Figure 1-40 EXAMPLES OF COMPUTER USAGE

59. b Mobile User Many types of mobile usersMany types of mobile users PresentationsPresentations Click to see Figure 1-41 EXAMPLES OF COMPUTER USAGE

60. b Mobile User Many types of mobile usersMany types of mobile users PresentationsPresentations Docking stationDocking station Click to see Figure 1-42 EXAMPLES OF COMPUTER USAGE

61. b Large Business User Order entryOrder entry Click to see Figure 1-43 EXAMPLES OF COMPUTER USAGE

62. b Large Business User Order entryOrder entry PDAs for organizationPDAs for organization Click to see Figure 1-44 EXAMPLES OF COMPUTER USAGE

63. b Large Business User Order entryOrder entry PDAs for organizationPDAs for organization Large business web siteLarge business web site Click to see Figure 1-45 EXAMPLES OF COMPUTER USAGE

64. b Large Business User Order entryOrder entry PDAs for organizationPDAs for organization Large business web siteLarge business web site KioskKiosk Click to see Figure 1-46 EXAMPLES OF COMPUTER USAGE

65. b Power User Engineers, architects, desktop publishers, graphic artistsEngineers, architects, desktop publishers, graphic artists Click to see Figure 1-47 EXAMPLES OF COMPUTER USAGE

66. b Power User Engineers, architects, desktop publishers, graphic artistsEngineers, architects, desktop publishers, graphic artists Specialized softwareSpecialized software Click to see Figure 1-48 EXAMPLES OF COMPUTER USAGE

67. b Web page authoring Click to see Figure 1-49 COMPUTER USERS AS INFORMATION PROVIDERS

68. b Web page authoring b Photo communities Click to see Figure 1-50 COMPUTER USERS AS INFORMATION PROVIDERS

69. b Web page authoring b Photo communities b Electronic storefronts Click to see Figure 1-51 COMPUTER USERS AS INFORMATION PROVIDERS

70. b Web page authoring b Photo communities b Electronic storefronts b Chat Click to see Figure 1-52 COMPUTER USERS AS INFORMATION PROVIDERS

71. SUMMARY OF INTRODUCTION TO USING COMPUTERS b What a computer does b The components of a computer b Why is a computer so powerful? b Computer software b Networks and the Internet b Categories of computers

72. TECHNOLOGY TRAILBLAZER b Bill Gates Co-founder of MicrosoftCo-founder of Microsoft Wealthiest person in AmericaWealthiest person in America Consistently anticipates technological developments and customer needsConsistently anticipates technological developments and customer needs Click to see picture

73. COMPANY ON THE CUTTING EDGE b Microsoft Founded in 1975 by Bill Gates and Paul AllenFounded in 1975 by Bill Gates and Paul Allen MS-DOSMS-DOS WindowsWindows Most capitalized company in the worldMost capitalized company in the world

74. Chapter 1 Complete