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1、计算机专业英语作业:1、请将视频“什么是电脑硬件”中所述内容用英文表示。2、请将以下英文翻译为中文。1)PlugandPlay,sometimes,abbreviatedPnP,isacatchyphraseusedtodescribedevicesthatworkwithacomputersystemassoonastheyareconnected.Theuserdoesnothavetomanuallyinstalldriversforthedeviceoreventellthecomputerthatanewdevicehasbeenadded.Ins
2、teadthecomputerautomaticallyrecognizesthedevice,loadsnewdriversforthehardwareifneeded,andbeginstoworkwiththenewlyconnecteddevice.Forexample,ifyouconnectaPlug-and-PlaymousetotheUSBportonyourcomputer,itwillbegintoworkwithinafewsecondsofbeingpluggedin.Anonplug-and-playdevicewouldrequi
3、reyoutogothroughseveralstepsofinstallingdriversandsettingupthedevicebeforeitwouldwork.WhilePlugandPlayusuallyreferstocomputerperipheraldevices,suchaskeyboardsandmice,itcanalsobeusedtodescribeinternalhardware.Forexample,avideocardorharddrivemaybeaPlugandPlaydevice,meaningthecomputer
4、willrecognizeitassoonasitisinstalled.Theonlydifferenceisthatinternalcomponentsusuallyrequirethecomputertobeturnedoffwhentheyareinstalled,whileexternaldevicescantypicallybeinstalledwhilethecomputerisrunning.2)Whataresomeexamplesofcomputerperipheraldevices?Answer:nAcomputerperipheral
5、,orperipheraldevice,isanexternalobjectthatprovidesinputandoutputforthecomputer.nSomecommoninputdevicesinclude:keyboard,mouse,joystick,pentablet,MIDIkeyboard(musicalinstrumentdigitalinterface数码音响),scanner,digitalcamera,videocamera,microphone.nSomecommonoutputdevicesinclude:monitor,p
6、rojector,TVscreen,printer,plotter,speakers.nTherearealsodevicesthatfunctionasbothinputandoutputdevices,suchas:externalharddrives,mediacardreaders,digitalcamcorders,digitalmixers,MIDIequipment.nWhilethesearesomeofthemorecommonperipherals,therearemanyotherkindsaswell.Justrememberthat
7、anyexternaldevicethatprovidesinputtothecomputerorreceivesoutputfromthecomputerisconsideredaperipheral.3)Binaryisatwo-digit(Base-2)numericalsystem,whichcomputersusetostoredataandcomputefunctions.Thereasoncomputersusethebinarysystemisbecausedigitalswitchesinsidethecomputercanonlybese
8、ttoeitheronoroff,whicharer