電子信息工程專業(yè)英語教程（第5版） 課件 Lesson 12 Personal computer system

Unit4ElectronicSystemLesson12PersonalComputerSystems《電子信息工程專業(yè)英語教程（第5版）》Lesson12PersonalComputerSystemsBackgroundsTexttour

LanguageinuseVocabularyStructureReading/writingtechniques2024/5/292《電子信息工程專業(yè)英語教程（第5版）》TerminologyCPURAM,ROM,BIOSIDEPCIUSB，F(xiàn)irewireOSBackgrounds2024/5/293《電子信息工程專業(yè)英語教程（第5版）》Terminology2024/5/294《電子信息工程專業(yè)英語教程（第5版）》Themicroprocessor"brain"ofthecomputersystemiscalledthecentralprocessingunit.EverythingthatacomputerdoesisoverseenbytheCPU.CPU64-bitMicroprocessor2024/5/295《電子信息工程專業(yè)英語教程（第5版）》Random-accessmemory(RAM)-UsedtotemporarilystoreinformationthatthecomputeriscurrentlyworkingwithRead-onlymemory(ROM)-ApermanenttypeofmemorystorageusedbythecomputerforimportantdatathatdoesnotchangeBasicinput/outputsystem(BIOS)-AtypeofROMthatisusedbythecomputertoestablishbasiccommunicationwhenthecomputerisfirstturnedonRAM,ROM,BIOSRAMs2024/5/296《電子信息工程專業(yè)英語教程（第5版）》IntegratedDriveElectronics(IDE)Controller-Thisistheprimaryinterfacefortheharddrive,CD-ROMandfloppydiskdrive.

IDEControllerIDEController2024/5/297《電子信息工程專業(yè)英語教程（第5版）》PeripheralComponentInterconnect(PCI)Bus-Themostcommonwaytoconnectadditionalcomponentstothecomputer,PCIusesaseriesofslotsonthemotherboardthatPCIcardspluginto.

PCIPCIcard2024/5/298《電子信息工程專業(yè)英語教程（第5版）》UniversalSerialBus(USB)-Quicklybecomingthemostpopularexternalconnection,USBportsofferpowerandversatilityandareincrediblyeasytouse.FireWire(IEEE1394)-FireWireisaverypopularmethodofconnectingdigital-videodevices,suchascamcordersordigitalcameras,toyourcomputer.USB,FireWire2024/5/299《電子信息工程專業(yè)英語教程（第5版）》Operatingsystem-Thisisthebasicsoftwarethatallowstheusertointerfacewiththecomputer.OS2024/5/2910《電子信息工程專業(yè)英語教程（第5版）》TexttourOutlineCorePCComponentsPorts,PeripheralsandExpansionSlotsPoweringUpaPC2024/5/2911《電子信息工程專業(yè)英語教程（第5版）》CaseMotherboardCPURAMDrivesCoolingdevicesCables

CorePCComponents2024/5/2912《電子信息工程專業(yè)英語教程（第5版）》GraphicscomponentsPortsExpansionslots

Harddisk

Ports,PeripheralsandExpansionSlots2024/5/2913《電子信息工程專業(yè)英語教程（第5版）》ThepowerbuttonactivatesthepowersupplyinthePC,sendingpowertothemotherboardandothercomponents.ThePCperformsapower-onself-test(POST).ThePOSTisasmallcomputerprogramwithintheBIOSthatchecksforhardwarefailures.AsinglebeepafterthePOSTsignalsthateverything'sokay.Otherbeepsequencessignalahardwarefailure,andPCrepairspecialistscomparethesesequenceswithacharttodeterminewhichcomponenthasfailed.ThePCdisplaysinformationontheattachedmonitorshowingdetailsaboutthebootprocess.TheseincludetheBIOSmanufacturerandrevision,processorspecs,theamountofRAMinstalled,andthedrivesdetected.ManyPCshavereplaceddisplayingthisinformationwithasplashscreenshowingthemanufacturer'slogo.YoucanturnoffthesplashscreenintheBIOSsettingsifyou'dratherseethetext.PoweringUpaPC2024/5/2914《電子信息工程專業(yè)英語教程（第5版）》TheBIOSattemptstoaccessthefirstsectorofthedrivedesignatedasthebootdisk.Thefirstsectoristhefirstkilobytesofthediskinsequence,ifthedriveisreadsequentiallystartingwiththefirstavailablestorageaddress.Thebootdiskistypicallythesameharddiskorsolid-statedrivethatcontainsyouroperatingsystem.YoucanchangethebootdiskbyconfiguringtheBIOSorinterruptingthebootprocesswithakeysequence(oftenindicatedonthebootscreens).TheBIOSconfirmsthere'sabootstraploader,orbootloader,inthatfirstsectorofthebootdisk,anditloadsthatbootloaderintomemory(RAM).ThebootloaderisasmallprogramdesignedtofindandlaunchthePC'soperatingsystem.Oncethebootloaderisinmemory,theBIOShandsoveritsworktothebootloader,whichinturnbeginsloadingtheoperatingsystemintomemory.Whenthebootloaderfinishesitstask,itturnscontrolofthePCovertotheoperatingsystem.Then,theOSisreadyforuserinteraction.PoweringUpaPC2024/5/2915《電子信息工程專業(yè)英語教程（第5版）》VocabularyfacetapplianceinterfaceStructureReading/writingtechniquesLanguageinuse2024/5/2916《電子信息工程專業(yè)英語教程（第5版）》Vocabulary2024/5/2917《電子信息工程專業(yè)英語教程（第5版）》FacetindictionaryOneofnumerousaspects,asofasubject;aphase.

某一方面2024/5/2918《電子信息工程專業(yè)英語教程（第5版）》FacetintextWhenyoumentiontheword"technology,"mostpeoplethinkaboutcomputers.

Virtuallyevery

facetofourliveshassomecomputerizedcomponent.一提到“技術(shù)”這個(gè)詞，多數(shù)人都會(huì)想到計(jì)算機(jī)。實(shí)際上，和計(jì)算機(jī)相關(guān)的事物出現(xiàn)在我們生活中的方方面面。2024/5/2919《電子信息工程專業(yè)英語教程（第5版）》ApplianceindictionaryAdeviceorinstrumentdesignedtoperformaspecificfunction,especiallyanelectricaldevice,suchasatoaster,forhouseholduse.

器具，用具Adentalorsurgicaldevicedesignedtoperformatherapeuticorcorrectivefunction.

醫(yī)療器械2024/5/2920《電子信息工程專業(yè)英語教程（第5版）》Applianceintext

Theappliancesinourhomeshavemicroprocessorsbuiltintothem,asdoourtelevisions.Evenourcarshaveacomputer.電視機(jī)等家用電器內(nèi)部就有微處理器，汽車?yán)镆灿杏?jì)算機(jī)。

2024/5/2921《電子信息工程專業(yè)英語教程（第5版）》Applianceinusecontrolappliance控制設(shè)備conveyingappliance輸送裝置divingappliances潛水用具electricappliance電器first-aidappliance急救用品householdappliances家用電器liftingappliance升降設(shè)備measuringappliance測(cè)量器具2024/5/2922《電子信息工程專業(yè)英語教程（第5版）》InterfaceindictionaryAsurfaceformingacommonboundarybetweenadjacentregions,bodies,substances,orphases.

界面Apointatwhichindependentsystemsordiversegroupsinteract:

接合點(diǎn)Thepointofinteractionorcommunicationbetweenacomputerandanyotherentity,suchasaprinterorhumanoperator.

接口2024/5/2923《電子信息工程專業(yè)英語教程（第5版）》InterfaceindictionaryAsharedboundary

betweentwofunctionalunits,definedbyfunctionalcharacteristics,commonphysicalinterconnectioncharacteristics,signalcharacteristics,andothercharacteristics,asappropriate.Adeviceorequipmentmakingpossibleinteroperationbetweentwosystems,forexample,ahardwarecomponentoracommonstorageregister.Asharedlogicalboundary

betweentwosoftwarecomponents.Ani