2. Presentation on Components of Information system www.AssignmentPoint.com

3. Information System (IS) An information System (IS) is a collection of components that work together to provide information to help in the operations and management of an organization. www.AssignmentPoint.com

4. Types of Information System There are different types of Information system- Individual Information System. Workgroup Information System. Organizational Information System. Inter organizational Information System. Global Information System. www.AssignmentPoint.com

5. Information System Components  Hardware  Software  Stored data  Personnel  Procedures www.AssignmentPoint.com

7. Hardware of Information System Input and Output device. Input- - Keyboards - Pointing Device - Others Output- - Screens - Printers - Others www.AssignmentPoint.com

8. Hardware of Information System TTTTerminals (input and output combined). MMMMultimedia input and output. VVVVirtual reality input and output.

9. Hardware of Information System Primary Storage RAM (Random Access Memory). ROM (Read Only Memory). ROM is non volatile storage www.AssignmentPoint.com

10. Hardware of Information System Central Processing Unit (CPU) »Micro computer »Mini computers »Mainframe computers »Super computers www.AssignmentPoint.com

11. Hardware of Information System Secondary Storage Secondary Storage Magnetic disk (also called a disk) Magnetic disk (also called a disk) Optical disk (CD) Optical disk (CD) Magnetic tape (also called tape) Magnetic tape (also called tape) www.AssignmentPoint.com

12. Hardware (cont’d)  Secondary storage examples www.AssignmentPoint.com

13. Hardware of Information System Types of computer systems- Types of computer systems- Personal computer systems. Personal computer systems. Multiple-user computer systems. Multiple-user computer systems. Networked computer systems. Networked computer systems. www.AssignmentPoint.com

14. Software of Information System T Types of software S System software O Operating systems U Utilities C Communications software A Application software www.AssignmentPoint.com

15. Software of Information System  Application software www.AssignmentPoint.com

16. Software of Information System  Application software  Individual application software  Word processing  Spreadsheet  Browser  Workgroup application software  Electronic messaging  Electronic conferencing www.AssignmentPoint.com

17. Software of Information System Application software Organizational application software Inter organizational application software EElectronic data interchange-EDI www.AssignmentPoint.com

18. Software of Information System T Types of software ( According to Source) P Packaged software urchased from Market C Custom software Created by Programmers www.AssignmentPoint.com

19. Stored Data of Information System  Data is kept in the computer system.  Data used by software.  Data does NOT include input and output data.  Data stored in secondary storage until needed.  Data can represent facts, numbers, words, images, pictures, sounds.  Data is usually composed of characters, letters, numbers, special symbols. www.AssignmentPoint.com

20. Stored Data of Information System www.AssignmentPoint.com

21. Personnel of Information System Personel means usears of information system Personel means usears of information system Personel supply input data Personel supply input data Personel receive output data or information Personel receive output data or information www.AssignmentPoint.com

22. Personnel of Information System Operating Personnel Operating Personnel Run hardware and software. Run hardware and software. Enter input data for, and pass output data and information to user. Enter input data for, and pass output data and information to user. Operate computers and execute programs. Operate computers and execute programs. www.AssignmentPoint.com

23. Procedures of Information System  Procedures of information System are the instructions that tell people how to use and operate the system (system documentation) www.AssignmentPoint.com

24. Procedures of Information System Procedures Can be Input instructions Input instructions Expected output Expected output How to operate the hardware and software How to operate the hardware and software Instructions to recover from errors Instructions to recover from errors www.AssignmentPoint.com

25. Application of Information System  Electronic messaging  Information sharing  Document sharing ocument conferencing  Audio conferencing  Video conferencing www.AssignmentPoint.com

26. Application of Information System Electronic conferencing Electronic meeting support Group calendaring and scheduling Workflow management www.AssignmentPoint.com

27. Application of Information System  Direct uses in business  Sales & marketing  Manufacturing  Finance  Accounting  Human resources www.AssignmentPoint.com

28. Management support information systems Management information systems Decision support systems Executive support systems Expert systems www.AssignmentPoint.com

29. Information Systems Benefits Providing better information for better decision making Improving service for customers Improving productivity to allow people to accomplish more in a period of time. www.AssignmentPoint.com

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