1. Copyright Prentice-Hall, Inc. 1998 3-1 Telling Computers What to Do Larry Long & Nancy Long 5th. Edition Student Disk CHAPTER3CHAPTER3

2. Copyright Prentice-Hall, Inc. 1998 3-2 Atlanta Olympics

3. Copyright Prentice-Hall, Inc. 1998 3-3 Data Access

4. Copyright Prentice-Hall, Inc. 1998 3-4 Software Types

5. Copyright Prentice-Hall, Inc. 1998 3-5 Software Types SystemSystem

6. Copyright Prentice-Hall, Inc. 1998 3-6 Software Types Business SystemSystem

7. Copyright Prentice-Hall, Inc. 1998 3-7 Software Types Business Productivity SystemSystem

8. Copyright Prentice-Hall, Inc. 1998 3-8 Software Types Business Productivity SystemSystem WorkgroupComputing

9. Copyright Prentice-Hall, Inc. 1998 3-9 Software Types Business Productivity SystemSystem WorkgroupComputing Education& Education &Reference

10. Copyright Prentice-Hall, Inc. 1998 3-10 Software Types Business Home & Personal Personal Productivity SystemSystem WorkgroupComputing Education& Education &Reference

11. Copyright Prentice-Hall, Inc. 1998 3-11 Software Types Business Home & Personal Personal Productivity Multimedia SystemSystem WorkgroupComputing Education& Education &Reference

12. Copyright Prentice-Hall, Inc. 1998 3-12 Software Types Business Home & Personal Personal Productivity Multimedia SystemSystem Miscellaneous WorkgroupComputing Education& Education &Reference

13. Copyright Prentice-Hall, Inc. 1998 3-13

14. Copyright Prentice-Hall, Inc. 1998 3-14

15. Copyright Prentice-Hall, Inc. 1998 3-15 Operating System  Kernel  Multitasking  Text-Based Software  Graphics Based Software

16. Copyright Prentice-Hall, Inc. 1998 3-16 Icons

17. Copyright Prentice-Hall, Inc. 1998 3-17 Windows 98 Operating System

18. Copyright Prentice-Hall, Inc. 1998 3-18 Mac OS

19. Copyright Prentice-Hall, Inc. 1998 3-19 Handheld PC with ROM-based OS

20. Copyright Prentice-Hall, Inc. 1998 3-20 Operating System Objectives  To Facilitate Communication Between Computer & User Between Computer & User Among System Components Among System Components  To Maximize Throughput  To Minimize Time Needed to Execute Commands

21. Copyright Prentice-Hall, Inc. 1998 3-21

22. Copyright Prentice-Hall, Inc. 1998 3-22 Operating System Objectives  To Optimize Use of System Resources  To Keep Track of Stored Files  To Provide Security for the Computer System  To Monitor All Systems & Alert to Failures & Problems

23. Copyright Prentice-Hall, Inc. 1998 3-23 Computer Programs  Input/Output Instructions  Computation Instructions  Control Instructions  Assignment Instructions  Formal Instructions

24. Copyright Prentice-Hall, Inc. 1998 3-24 Early Programming by setting switches

25. Copyright Prentice-Hall, Inc. 1998 3-25 The modern programming environment

26. Copyright Prentice-Hall, Inc. 1998 3-26 Java programming for online multimedia applications

27. Copyright Prentice-Hall, Inc. 1998 3-27 Programming Languages  Machine Language  Procedure-Oriented Languages  Object-Oriented Languages  The Fourth Generation  Visual Languages  Natural Languages

28. Copyright Prentice-Hall, Inc. 1998 3-28 A COBOL Program

29. Copyright Prentice-Hall, Inc. 1998 3-29 Flowchart

30. Copyright Prentice-Hall, Inc. 1998 3-30 Visual Basic

31. Copyright Prentice-Hall, Inc. 1998 3-31 Word Macro Language

32. Copyright Prentice-Hall, Inc. 1998 3-32Platforms  The Processor Intel Pentium Pro Intel Pentium Pro Power PC Power PC  The Operating System Windows 95/97/NT/CE Windows 95/97/NT/CE Macintosh Macintosh Registered trademarks of Intel Corporation and Microsoft Corporation

33. Copyright Prentice-Hall, Inc. 1998 3-33 PC Platforms  MS-DOS Compatible  MS-DOS & Windows Compatible Windows is User Friendly Windows is User Friendly It Enables Multi-Tasking It Enables Multi-Tasking It Allows For Large Files It Allows For Large Files It Permits Information Sharing It Permits Information Sharing

34. Copyright Prentice-Hall, Inc. 1998 3-34 Multitasking

35. Copyright Prentice-Hall, Inc. 1998 3-35  PC/Windows Platforms: 95/97/NT/CE Does Not Require the Antiquated MS-DOS Operating System Does Not Require the Antiquated MS-DOS Operating System Plug & Play Capacity Plug & Play Capacity  Macintosh Compatible  Multi-user Platforms UNIX & Windows NT UNIX & Windows NT PC Platforms

36. Copyright Prentice-Hall, Inc. 1998 3-36 Computer Operation  Installing Hardware & Software  Power Up/Shut Down  Entering Commands & Data  Input & Control  Point & Draw Devices  Menus & Button Bars

37. Copyright Prentice-Hall, Inc. 1998 3-37 The Boot Procedure

38. Copyright Prentice-Hall, Inc. 1998 3-38 QWERTY Keyboard

39. Copyright Prentice-Hall, Inc. 1998 3-39 Drag and Drop

40. Copyright Prentice-Hall, Inc. 1998 3-40 Drop-down Menus

41. Copyright Prentice-Hall, Inc. 1998 3-41 Toolbar

42. Copyright Prentice-Hall, Inc. 1998 3-42 Scrolling

43. Copyright Prentice-Hall, Inc. 1998 3-43

44. Copyright Prentice-Hall, Inc. 1998 3-44 PC-based system monitoring and control

45. Copyright Prentice-Hall, Inc. 1998 3-45 Computer Aided Design and Manufacturing (CAD/CAM)

46. Copyright Prentice-Hall, Inc. 1998 3-46 Tank Simulator (joystick-driven)

47. Copyright Prentice-Hall, Inc. 1998 3-47 Tank simulation view

48. Copyright Prentice-Hall, Inc. 1998 3-48Next.... Chapter 4 Storing & Retrieving Information: Disk & Tape Back-up Units