1. 1 The Five Parts of an Information System

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6. 6 Software Application Software - helping end- users perform general purpose tasks System software - enables application software to interact with the computer

7. 7 Software Application Software - helps end-users perform general purpose tasks System software - enables application software to interact with the computer

8. 8 Software

9. 9 Software End User An end user is anyone who uses a microcomputer or has access to larger computers - that’s nearly everyone in today’s workforce. They enter commands and typically interact with application programs. End User An end user is anyone who uses a microcomputer or has access to larger computers - that’s nearly everyone in today’s workforce. They enter commands and typically interact with application programs.

10. 10 Software Application Software Programs to create, organize, analyze, present and communicate information. For example, Excel is a spreadsheet application program that is used to analyze data. Application Software Programs to create, organize, analyze, present and communicate information. For example, Excel is a spreadsheet application program that is used to analyze data.

11. 11 Software System Software “Background” programs that coordinate the application software requests with computer hardware. Windows 2000 is a widely-used system program. System Software “Background” programs that coordinate the application software requests with computer hardware. Windows 2000 is a widely-used system program.

12. 12 Software Computer Hardware Devices that accept input, process data, store information, produce output and send communications. For example, a disk drive, keyboard, printer and modem are different types of computer hardware. Computer Hardware Devices that accept input, process data, store information, produce output and send communications. For example, a disk drive, keyboard, printer and modem are different types of computer hardware.

13. 13 Application Software Packaged - “off the shelf”, pre-written programs ( General purpose) Custom - written for an organization’s specific purpose (Special purpose)

14. 14 Application Software - Basic Tools Word processors

15. 15 Application Software - Basic Tools Word processors Spreadsheets

16. 16 Application Software - Basic Tools Word processors Spreadsheets Database managers Graphics

17. 17 System Software “Background software”, manages the computer’s internal resources

18. 18 System Software Operating system –Interface between application software (and user) and the computer –Runs programs –Processes data –Stores information –Frees the user from complicated, technical tasks

19. 19 Examples of Microcomputer Operating System Software DOS - original standard for IBM compatibles Windows - a graphical operating environment Windows 2000, Windows 98

20. 20 Examples of Microcomputer Operating System Software Windows NT - for powerful workstations & networks OS/2 - competitor to Windows 2000 Macintosh Operating System Unix - originally for minicomputers, now used on microcomputers and Internet servers