√A√A卷□B卷2022~2023學(xué)年第一學(xué)期《專業(yè)英語》課程期末考試試題班級：姓名：學(xué)號：題號一二三四總分應(yīng)得分一、單選題。（每題2分，共30分）1.Whatisananalogsignal？A.Analogsignalisacontinuousvalues.B.Analogsignalisadiscretevalues.C.Analogsignalissometimescontinuous,sometimesdiscrete.2.Howdoweheartheamplifiedsound?A.Soundwavesarepickedupbyaspeakerandconvertedtoasmallanalogvoltagecalledtheaudiosignal,thenthevoltagearesenttothemicrophone.B.Soundwavesarepickedupbyamicrophoneandconvertedtoasmallanalogvoltagecalledtheaudiosignal,thenthevoltagearesenttothespeaker.C.Soundwavesarepickedupbyamicrophoneandconvertedtoasmalldigitalvoltagecalledtheaudiosignal,thenthedigitalvoltagearesenttothespeaker.3.Inseriescircuits,allcircuitelementscouldbecontrolledby().A.switchB.wirewoundresistorC.batteryD.light4.Inparallelcircuits,theterminalvoltageofallparallelcomponentsis().A.ofthesamevalueB.proportionaltotheirownresistanceC.inverselyproportionaltotheirownresistanceD.thereciprocalofthetotalvoltageincircuit5.IfAisequalto7andBisequalto5,theproductofAandBis()?A.35B.12C.2D.1.46.WhatisNANDgate?A.Aslongasoneoftheinputsishigh，theoutputishigh;Onlywhenallinputsarelow,theoutputislow.B.Whenallinputsarehigh,theoutputishigh,otherwisetheoutputislow.C.AcombinationofANDgateandNOTgate.D.AcombinationofORgateandNOTgate.7.Theprocessofphotolithographyexcludes().A.CoatingB.ExposureC.HardbakeD.Slicing8.Whichapplicationofbluetoothtechnologyasshowninthefigure?A.WearabledevicesB.IndustrialdevicesC.HomeautomationD.Healthcaremedical9.FunctionsofICpackagingexcludes().A.Protectionfromtheenvironment/handling.B.SignalinterconnectionsC.SlicingD.Heatdissipation10.Advancedpackagingdesignsexclude().A.MCMB.COBC.WLPD.DIP11.Testingthephysicalconnectionofthekeyboardwithamultimeterisactually().A.resistancetestB.continuitytestC.voltagetest12.Bluetoothisa()wirelesstechnology？A.long-rangeB.medium-rangeC.short-range13.Whichpropagationmodehastheshortesttransmissiondistance？A.Sky-wavepropagationB.Line-of-sightpropagationC.Ground-wavepropagation14.WhatisthefunctionofthemiddlelayerofCCD？A.determinesthecoloreachsiterecordsB.determinesthebrightnesseachsiterecordsC.gatherlightD.gatherphoton15.Whenusingtheoscilloscope,inordertoobtaincalibratedvalues，thesmallerwheelmustbesettoits()positionA.rightmostB.leftmostC.middleD.any二、寫出以下縮略詞的完整拼寫，并翻譯。（每題3分，共30分）ADC________________________________________（）IC__________________________________________（）IoT_________________________________________（）TTL_______________________________________（）DC_________________________________________（）CMOS_______________________________________（）VR_________________________________________（）LED______________________________________（）PCB_______________________________________（）VLSI_______________________________________（）三、問答題（英文答案+中文答案）。（每題10