1. Copyright Prentice-Hall, Inc. 1998 1-1 The World of Computers Chapter 1

2. Copyright Prentice-Hall, Inc. 1998 1-2 For Cyberphobia InputOutputHardwareSoftwarePrograms Computer Competency

3. Copyright Prentice-Hall, Inc. 1998 1-3

4. Copyright Prentice-Hall, Inc. 1998 1-4

5. Copyright Prentice-Hall, Inc. 1998 1-5 Computer Usage Information Systems Information Systems Personal Computing Personal Computing  Word Processing  Desktop Publishing  Spreadsheet  Database  Graphics  Communications

6. Copyright Prentice-Hall, Inc. 1998 1-6 Computer’s Strengths Speed Speed Accuracy Accuracy Consistency Consistency Reliability Reliability Memory Capability Memory Capability

7. Copyright Prentice-Hall, Inc. 1998 1-7 Supermarket computing Point of sale (POS) terminals

8. Copyright Prentice-Hall, Inc. 1998 1-8 Computer Usage Communication Communication Science, Research, & Engineering Science, Research, & Engineering Education & Reference Education & Reference Computer-Aided Design Computer-Aided Design Entertainment & Edutainment Entertainment & Edutainment

9. Copyright Prentice-Hall, Inc. 1998 1-9 Powerful graphics software

10. Copyright Prentice-Hall, Inc. 1998 1-10 Computer graphics to model lighting effects

11. Copyright Prentice-Hall, Inc. 1998 1-11 Research tools

12. Copyright Prentice-Hall, Inc. 1998 1-12 NASA computer use for simulations

13. Copyright Prentice-Hall, Inc. 1998 1-13 Computers as diagnostic and monitoring tools

14. Copyright Prentice-Hall, Inc. 1998 1-14 Multimedia presentations for recording text, video and audio (courtroom depositions)

15. Copyright Prentice-Hall, Inc. 1998 1-15 Computers as recreational devices

16. Copyright Prentice-Hall, Inc. 1998 1-16 The Computer Revolution Personal Computers PCse-mailBBSs N I I Information Superhighway

17. Copyright Prentice-Hall, Inc. 1998 1-17 The Computer Revolution Data

18. Copyright Prentice-Hall, Inc. 1998 1-18 The Computer Revolution DataInformation

19. Copyright Prentice-Hall, Inc. 1998 1-19 The Computer Revolution DataInformation Record

20. Copyright Prentice-Hall, Inc. 1998 1-20 The Computer Revolution DataInformation Record MasterFile

21. Copyright Prentice-Hall, Inc. 1998 1-21 Early mass production in the auto industry

22. Copyright Prentice-Hall, Inc. 1998 1-22 Modern mass production methods in the auto industry using computer-driven automation

23. Copyright Prentice-Hall, Inc. 1998 1-23 Computerized maps using GPS technology

24. Copyright Prentice-Hall, Inc. 1998 1-24 Networking: The Global Village

25. Copyright Prentice-Hall, Inc. 1998 1-25

26. Copyright Prentice-Hall, Inc. 1998 1-26 The Internet & Going On-line The Net Information Services Offline / Online Operation Download / Upload Capabilities

27. Copyright Prentice-Hall, Inc. 1998 1-27 Electronic Commerce

28. Copyright Prentice-Hall, Inc. 1998 1-28 AOL Channels

29. Copyright Prentice-Hall, Inc. 1998 1-29 Computer Systems Personal Computer Workstation Midsize Mainframe MainframeSupercomputer

30. Copyright Prentice-Hall, Inc. 1998 1-30

31. Copyright Prentice-Hall, Inc. 1998 1-31Microcomputers Pocket PCs Pocket PCs Laptop PCs Laptop PCs Desktop PCs Desktop PCs Peripherals Peripherals PDAs PDAs Multimedia Multimedia Workstations Workstations

32. Copyright Prentice-Hall, Inc. 1998 1-32 Palmtop computers

33. Copyright Prentice-Hall, Inc. 1998 1-33 Personal Digital Assistant (PDA) handheld computer for note taking

34. Copyright Prentice-Hall, Inc. 1998 1-34 Executive daytimer with pen input device

35. Copyright Prentice-Hall, Inc. 1998 1-35 Laptop computing by a real estate agent

36. Copyright Prentice-Hall, Inc. 1998 1-36 Docking station for portability and flexibility

37. Copyright Prentice-Hall, Inc. 1998 1-37 Home computing

38. Copyright Prentice-Hall, Inc. 1998 1-38 Workstation (software retrieval only as needed)

39. Copyright Prentice-Hall, Inc. 1998 1-39 Mainframe Computers Enterprise-wide Systems Enterprise-wide Systems  Host Computer  VDT or Terminal  Input/Output-Bound Applications Minicomputers Minicomputers Supercomputers Supercomputers  Processor-Bound Applications

40. Copyright Prentice-Hall, Inc. 1998 1-40 Networked environment for business computing

41. Copyright Prentice-Hall, Inc. 1998 1-41 Computer Aided Design (CAD)

42. Copyright Prentice-Hall, Inc. 1998 1-42 Mainframe computing

43. Copyright Prentice-Hall, Inc. 1998 1-43 Super computing (Cray T3E-900) (1 trillion operations per second)

44. Copyright Prentice-Hall, Inc. 1998 1-44 Supercomputer simulation of impact of titanium golf club head and ball

45. Copyright Prentice-Hall, Inc. 1998 1-45 Basic Computerese Processor

46. Copyright Prentice-Hall, Inc. 1998 1-46 Basic Computerese Processor Computer System

47. Copyright Prentice-Hall, Inc. 1998 1-47 Basic Computerese Processor Computer System Monitor (Soft Copy)

48. Copyright Prentice-Hall, Inc. 1998 1-48 Basic Computerese Processor Computer System Monitor (Soft Copy) Printer (Hard Copy)

49. Copyright Prentice-Hall, Inc. 1998 1-49 Basic Computerese Processor Computer System Monitor (Soft Copy) Printer (Hard Copy) Keyboard

50. Copyright Prentice-Hall, Inc. 1998 1-50 Basic Computerese Processor Computer System Monitor (Soft Copy) Printer (Hard Copy) KeyboardMouse UNFAIR!

51. Copyright Prentice-Hall, Inc. 1998 1-51 Basic Computerese Processor Computer System Monitor (Soft Copy) Printer (Hard Copy) KeyboardMouseChipsRAM Integrated Circuits

52. Copyright Prentice-Hall, Inc. 1998 1-52 Specialized multimedia and communication devices

53. Copyright Prentice-Hall, Inc. 1998 1-53

54. Copyright Prentice-Hall, Inc. 1998 1-54 Computers can.... Input/Output Operations Input/Output Operations Processing Operations Processing Operations  Computational Operations PAY = HOURS_WORKED * PAY_RATE PAY = HOURS_WORKED * PAY_RATE  Logic Operations IF HOURS_WORKED > 40 THEN PAY_OVERTIME

55. Copyright Prentice-Hall, Inc. 1998 1-55

56. Copyright Prentice-Hall, Inc. 1998 1-56

57. Copyright Prentice-Hall, Inc. 1998 1-57 Summary Discussion

58. Copyright Prentice-Hall, Inc. 1998 1-58 Coming Next: Inside the Computer Inside the Computer Chapter 2