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1、西交《数字电子技术》在线作业WesthandindigitalelectronictechnologyExamtime:100testtime:SingletopicselectionMultiplechoiceTrueorfalse(20questionsintotal,40points・)Inwhattypeofinput,theresultof"versusnon-〃operationsislogical0()・A.allinputis0B.Anyinputis0Theonlyinputis0D.allinputis1F
2、ullmarks:2Theoutstandingadvantageofaquartzcrystalmultivibratoris0A.highspeedThecircuitissimpleA.oscillationfrequencyisstableB.theoutputwaveformsideissteepFullmarks:2Inthefollowingtrigger,thereisa()ofthecavs.A.edgeDtriggerThemainfromtheRStriggerC.SynchronousRStrigger
3、MainfromJKtriggerFullmarks:2ThesidestepDtriggerisa()steadystatecircuitA.noB.singleC.thedoubleMorethanD.ADACwithnosymbol10digitinput,itsoutputlevelseriesis04A.10B.1024C.1023D.Fullmarks:2Thecodeinthefollowingcodeis()・A.cycliccodeB.5421BCDC.morethanthreeyardsD.graycode
4、Fullmarks:2Thenumberofvalues()withtheoctaldigit(47.3)8is()・2A.(100111.011)16c.(27.3)A.(100111.11)2Fullmarks:2Inthefollowingtriggers,theconstraintis()FromJKF/FTheprincipalisDF/FSynchronousRSF/FDF/FFullmarks:2Inthefollowinglogicalcircuits,notcomposedlogiccircuits0A.de
5、coderB.theencoderC.fulladderD.registerTheMOSintegratedcircuitUSES()control,anditspowerdissipationissmallerA.voltageA.currentB.tofillcurrentC.pullcurrentFullmarks:2Thedecimalnumber25isrepresentedby8421BCDcode()・10,101A.A.,0010,0101100101C.10101D.Fullmarks:2Atriggerca
6、nrecordabinarycode,andithas()asteadystateA.02C.2D.Fullmarks:213.Todesignthenumbetof0,1,2,3,4,5,6,7thisseveralcounter,ifthedesignisreasonable,usingsynchronousbinarycounter,atleastshouldbeused(grade)trigger2A.3B4C.8D.Fullmarks:2ForTTLandnon-gateinput,no()・A.connectpow
7、erB.theresistance3kQcormectpowerC.earthingParallelwithusefulinputFullmarks:2TomakeTTLandnon-gateworkinthetransitionarea,theinputsideistheexternalresistanceRI()・A.>RONA.ROFFFullmarks:2TomakeDtriggersworkonQn+1=/Qn,inputD二()A.01BA.QB./QFullmarks:2
8、Afive-stepcounterisinserieswithafour-stepcountertogetthe()intothecounter2B.9C.A.20Fullmarks:2Thepulseshapingcircuithas()A.multivibratorB.J
