1. 1 © The McGraw-Hill Companies, Inc. 2002 11 CHAPTER Information Technology, the Internet, and You

2. 1 © The McGraw-Hill Companies, Inc. 2002 Kinesiology & Nutritional Science KIN 260 and NTRS 455 2003-04 Dr. D. Frankl

3. 1 © The McGraw-Hill Companies, Inc. 2002 Objectives Five parts of info systemFive parts of info system Application vs. systems softwareApplication vs. systems software Four kinds of computersFour kinds of computers Four types of filesFour types of files Connectivity, wireless, and InternetConnectivity, wireless, and Internet

4. 1 © The McGraw-Hill Companies, Inc. 2002 Five Parts of Information Systems PeoplePeople ProceduresProcedures SoftwareSoftware HardwareHardware DataData

5. 1 © The McGraw-Hill Companies, Inc. 2002 People Most important partMost important part ContactContact –Direct –Indirect Make technology workMake technology work GenerationsGenerations

6. 1 © The McGraw-Hill Companies, Inc. 2002 Software AKA programsAKA programs InstructionsInstructions Two major kindsTwo major kinds –System software –Application software

7. 1 © The McGraw-Hill Companies, Inc. 2002 System Software Interact with hardwareInteract with hardware –“Background” software –Operating system software

8. 1 © The McGraw-Hill Companies, Inc. 2002 Application Software “End-user” software“End-user” software Two major categoriesTwo major categories –General –Specialized

9. 1 © The McGraw-Hill Companies, Inc. 2002 Hardware Physical devicesPhysical devices Five functionsFive functions –Input –Process –Store –Output –Communicate

10. 1 © The McGraw-Hill Companies, Inc. 2002 Types of Computers SupercomputersSupercomputers Mainframe computersMainframe computers MinicomputersMinicomputers MicrocomputersMicrocomputers

11. 1 © The McGraw-Hill Companies, Inc. 2002 Supercomputers High capacityHigh capacity Used by large organizationsUsed by large organizations –Tracking space –Tracking weather

12. 1 © The McGraw-Hill Companies, Inc. 2002 Mainframe computers Specially wiredSpecially wired Air-conditioned roomsAir-conditioned rooms Used for large volume processingUsed for large volume processing

13. 1 © The McGraw-Hill Companies, Inc. 2002 Minicomputers Also known as midrange computersAlso known as midrange computers Medium-size companiesMedium-size companies Departments of large companiesDepartments of large companies

14. 1 © The McGraw-Hill Companies, Inc. 2002 Microcomputers Desktop, notebook, PDAsDesktop, notebook, PDAs Notebook (laptop)Notebook (laptop) SubnotebooksSubnotebooks

15. 1 © The McGraw-Hill Companies, Inc. 2002 Microcomputer Hardware System UnitSystem Unit I/O DevicesI/O Devices Secondary StorageSecondary Storage

16. 1 © The McGraw-Hill Companies, Inc. 2002 Output Devices EquipmentEquipment that translates data –Monitors –Printers

17. 1 © The McGraw-Hill Companies, Inc. 2002 Data Contained in filesContained in files –Documents –Worksheets –Databases

18. 1 © The McGraw-Hill Companies, Inc. 2002 Connectivity and Internet ConnectivityConnectivity –ability to communicate The InternetThe Internet –the largest network in the world –World Wide Web multimedia component Wireless “revolution”Wireless “revolution”

19. 1 © The McGraw-Hill Companies, Inc. 2002 Future Look Powerful softwarePowerful software Powerful hardwarePowerful hardware ConnectivityConnectivity

20. 1 © The McGraw-Hill Companies, Inc. 2002 Questions and/or Comments Thank U dfrankl@calstatela.edu Danyf@adelphia.net