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Introduction To Computer

Introduction To Computer. Hardware. Mr. Garel. St. BACHS. What is a Computer?. a computer can be. defined as a machine for processing and storing information electronically. it must have a way for us to get information into the machine, and some way to get it out afterwards so we can

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Introduction To Computer

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  1. IntroductionToComputer Hardware Mr.Garel St. BACHS

  2. WhatisaComputer? acomputercanbe definedasamachine forprocessingand storinginformation electronically itmusthaveawayfor ustogetinformation intothemachine,and somewaytogetitout afterwardssowecan seeit

  3. TheFunctionsofAComputer Therefore,acomputerhasfourbasic functions: Input Processing Storage Output

  4. InputDevices gettinginformation(alsocalleddata)intoa computersystem DigitalCamera,microphones,keyboards, mouse,joystick,etc.

  5. Processing Inputtinginformationnotenough Wantdosomethingwithitorchangeitin someway Thisiscalledprocessing,ordata processing takesplaceintheprocessor,orCentral ProcessingUnit. usuallyabbreviatedtoCPU.

  6. Processing AMDandIntelarebothmakers (manufacturers)ofcomputerprocessors Intel:Centrino,Pentium,Celeron,etc. DualCore,QuadCore AMD:Turion,Anthlon Clickhereforlinkstotheirwebsites

  7. Storage Informationisstoredinacomputerintwomain ways:RAMandharddrive(harddisk) RAM:RandomAccessMemory,forinformation beingusedatthemoment Thisinformationislostwhenpoweringoffthe computer HardDrive:Storesinformationforfutureretrieval (evenwhenpoweristurnedoff).Theharddrive storeslargeamountsofinformation(typical drivestodayholdinexcessof200gigabytes).

  8. MoreAboutMemory RAMmemoryisinstalledonlittle circuitboardscalledmodulesthat plugintothemotherboard. addmorememorybypluggingin anothermodule. Theamountofmemoryisalways issomemultipleoftwobytes.The mostcommonvaluesare,128, 256,512and1024megabytes.

  9. Storage Othertypeofdrives G:Drive–TheharddriveontheKCSS network C:Drive–Theharddriveonthecomputeryou sitinfront DVD/CDDrive(usuallyidentifiedbyanother letter USB/JumpDrives–Portablestorage ExternalHardDrives–Forextrastorage

  10. Output Thedifferentwaystogetdata/information outfromthecomputer Examples: Monitors Printers Speakers Internetconnections/modem(bothinput andoutput)

  11. Software Thephysicalpartsofacomputerarecalled hardware(youcantouch) Softwareistheinstructionsthattellthehardware whattodo Organizedintosetscalledprograms Sende-mail,needane-mailprogram Surfthenet:needaninternetbrowser(program) GoogleSketchup,WindowsMovieMaker, MicrosoftWordandPowerPointaresoftware we’veused

  12. Software Onetypeofprogramtellthecomputerhow tofunction(operatingsystemprogram) Thisprogramtakescareofthebasic computerfunctions Inourcase,WindowsXPfromMicrosoft WindowsVistaisthenewerOperating SystemsoftwarefromMicrosoft PreviousMicrosoftOperatingSystems: Windows95,Windows98,WindowsME

  13. ComponentsoftheComputer Software Storage InputDevices Computer OutputDevices Memory Motherboard /Circuits Processing

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