1 © the mcgraw-hill companies, inc. 2002 11 chapter information technology, the internet, and you
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© The McGraw-Hill Companies, Inc. 2002
11
1111CH
AP
TE
R
Information Information Technology , Technology , the Internet, the Internet,
and Youand You
© The McGraw-Hill Companies, Inc. 2002
11
Kinesiology & Nutritional ScienceKinesiology & Nutritional Science
KIN 260 and NTRS 455KIN 260 and NTRS 455
2003-042003-04
Dr. D. FranklDr. D. Frankl
© The McGraw-Hill Companies, Inc. 2002
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ObjectivesObjectives
• 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
© The McGraw-Hill Companies, Inc. 2002
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Five Parts of Information SystemsFive Parts of Information Systems
• PeoplePeople• ProceduresProcedures
• SoftwareSoftware• HardwareHardware• DataData
© The McGraw-Hill Companies, Inc. 2002
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PeoplePeople
• Most important partMost important part• Contact Contact
– Direct Direct – IndirectIndirect
• Make technology Make technology workwork
• GenerationsGenerations
© The McGraw-Hill Companies, Inc. 2002
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SoftwareSoftware
• AKA programsAKA programs• Instructions Instructions • Two major kindsTwo major kinds
– System softwareSystem software– Application softwareApplication software
© The McGraw-Hill Companies, Inc. 2002
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System SoftwareSystem Software
• Interact with hardwareInteract with hardware– ““Background” software Background” software – Operating system softwareOperating system software
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Application SoftwareApplication Software
• ““End-user” End-user” softwaresoftware
• Two major Two major categoriescategories– GeneralGeneral– SpecializedSpecialized
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HardwareHardware
• Physical devicesPhysical devices• Five functionsFive functions
– InputInput– ProcessProcess– StoreStore– OutputOutput– CommunicateCommunicate
© The McGraw-Hill Companies, Inc. 2002
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Types of ComputersTypes of Computers
• SupercomputersSupercomputers
• Mainframe Mainframe computerscomputers
• MinicomputersMinicomputers
• MicrocomputersMicrocomputers
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SupercomputersSupercomputers
• High capacityHigh capacity
• Used by large Used by large organizationsorganizations– Tracking space Tracking space – Tracking weatherTracking weather
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Mainframe computersMainframe computers
• Specially wiredSpecially wired• Air-conditioned Air-conditioned
roomsrooms• Used for large Used for large
volume processingvolume processing
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MinicomputersMinicomputers
• Also known as Also known as midrange computersmidrange computers
• Medium-size Medium-size companiescompanies
• Departments of large Departments of large companiescompanies
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MicrocomputersMicrocomputers
• Desktop, Desktop, notebook, PDAsnotebook, PDAs
• Notebook (laptop)Notebook (laptop)• SubnotebooksSubnotebooks
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Microcomputer HardwareMicrocomputer Hardware
• System UnitSystem Unit• I/O DevicesI/O Devices• Secondary StorageSecondary Storage
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Output DevicesOutput Devices
• Equipment that Equipment that translates data translates data – MonitorsMonitors– PrintersPrinters
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DataData
• Contained in filesContained in files– DocumentsDocuments– WorksheetsWorksheets– DatabasesDatabases
© The McGraw-Hill Companies, Inc. 2002
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Connectivity and InternetConnectivity and Internet
•ConnectivityConnectivity–ability to communicate ability to communicate
•The InternetThe Internet–the largest network in the the largest network in the worldworld–World Wide Web World Wide Web multimedia componentmultimedia component
•Wireless “revolution”Wireless “revolution”
© The McGraw-Hill Companies, Inc. 2002
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Future LookFuture Look
• Powerful softwarePowerful software
• Powerful hardwarePowerful hardware
• ConnectivityConnectivity
© The McGraw-Hill Companies, Inc. 2002
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Questions and/or CommentsQuestions and/or Comments
Thank UThank U