FBLAIntrotoTechnologyConcepts RandomAccessMemory(RAM)-ANSTemporarilyholdsprogramsanddatawhile thecomputerisonandallowsthecomputertoaccessthatinformationrandomly MemoryCapacity/StorageCapacity-ANSTheamountofdatathatthecomputercan handleatanygiventimeandismeasureinmegabytesorgigabytes CacheMemory-ANSAspecial,highspeedmemorychiponthemotherboardorCPU itselfthatstoresfrequentlyaccessedandrecentlyaccesseddataandcommands VirtualMemory-ANSSpaceonthecomputer'sstoragedevicesthatsimulates additionalRAM Read-OnlyMemory(ROM)-ANSAchiponthemotherboardthathasbeen prerecordedwithdata BIOS(basicinput/outputsystem)-ANSAsetofinstructionswhichtellthecomputer toinitializethemotherboard,howtorecognizetheperipherals,andtostarttheboot process Bootprocess-ANSThesetofeventsthatoccursbetweenthemomentyouturnon thecomputerandthemomentyoucanbegintousethecomputer Non-VolatileMemory/PermanentMemory-ANSNeverchanges,remainsintactwhen thecomputeristurnedoff(ROM) MagneticStorageDevices-ANSStoredataasmagnetizedparticlesonmylar,a plastic,whichisthencoatedonbothsideswithamagneticoxidecoating HardDisk-ANSMostcommonmagneticstoragemediacontainingseveralmagnetic oxide-coveredmetalplatters,usuallysealedinacaseinsidethecomputer Tape-ANSTypeofmagneticstoragemedia,usedtomakebackupcopiesofdata storedonharddisks 1 / 2
FloppyDisk-ANSFlatcircleofmagneticoxide-coatedmylarenclosedinahard plasticcase OpticalStorageDevices-ANSPolycarbonatediscscoatedwithareflectivemetalon whichdataisrecordedusinglasertechnologyasatrailoftinypitsordarkspotsinthe
surfaceofthedisc(ex:CD,DVD
FlashMemory-ANSSimilartoROM,butcanbewrittenmorethanonce FlashMemoryCards-ANSSmall,portablecardsencaseinhardplastictowhichdata
canbewrittenandrewritten(Ex:USBflashstoragedevice)
DataCommunications-ANSThetransmissionofdatafromonecomputertoanother ortoaperipheraldevice Sender-ANSThecomputerthatoriginatesthemessage Channel-ANSThewaythemessageissent Receiver-ANSThecomputerorperipheralatthemessage'sdestination Protocols-ANSTherulesthatestablishanorderlytransferofdatabetweenthe senderandthereceiver DeviceDriver/Driver-ANSAcommunicationprogramthatcanestablish communicationbecauseitcontainsinformationaboutthecharacteristicsofyour computerandofthedevice DataBus-ANSThedatapathbetweenthemicroprocessor,RAM,andthe peripheralsalongwhichcommunicationtravels Port-ANSWhereanexternalperipheraldeviceisconnected Cable-ANSUsedtoconnectanexternalperipheraldevicetoaport ControllerCard/ExpansionCard/InterfaceCard-ANSPlugintoelectricalconnectors onthemotherboard ExpansionSlots/Slots-ANSElectricalconnectorsonthemotherboard
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