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1、8位二进制数字密码锁系统设计外文文献翻译（译成中文3000字左右）：1.DigitalCircuitIntroductionDigitalcircuitdefinition:Completeswiththedigitalsignaltothedigitalquantitycarriesonthearithmeticoperationandthelogicoperationelectriccircuitiscalledthedigitalcircuit,ornumbersystem.Becauseithasthelogicoperationandthe
2、logicalprocessingfunction,thereforecallsthenumerallogiccircuit.Numerallogiccircuitclassification(accordingtofunctionminute):1st,combinatorylogicelectriccircuitTheabbreviationcombinationcircuit,itbecomesbythemostbasiclogicalgateelectriccircuitcombination.Thecharacteristicis:Outp
3、utvalueonlyandtheninputvaluerelated,namelyoutputonlybytheninputvaluedecision.Theelectriccircuithasnotrememberedthefunction,theoutputconditionchangesalongwiththeinputconditionchange,issimilartotheresistanceelectriccircuit,liketheaccumulator,thedecoder,theencoder,thedataselectora
4、ndsoonallbelongtothiskind.2nd,successionlogiccircuitTheabbreviationsequencecircuit,itisaddsonthefeedbacklogicreturnroutebythemostbasiclogicalgateelectriccircuit(tooutputtheelectriccircuitwhichinput)orthecomponentcombinationbecomes,liesinthesequencecircuitwiththecombinationcircu
5、itessencedifferencetohavethememoryfunction.Thesequencecircuitcharacteristicis:Theoutputnotonlywasdecidedbytheninputvalue,moreoveralsotheandcircuitpastconditionconcerned.Itissimilartocontainingthestoredenergyparttheinductanceortheelectriccapacityelectriccircuit,likeelectriccircu
6、itandsoontrigger,latch,counter,shiftregister,reservoirallisthesequencecircuittypicalcomponent.Digitalcircuitcharacteristic:1st,simultaneouslyhasthearithmeticoperationandthelogicoperationfunctionThedigitalcircuitistakethebinarysystemlogicalgebraasmathematicsfoundation,theusebina
7、rynumeralsignal,bothcancarryonthearithmeticoperationandtobeableconvenientlytocarryonthelogicoperation(with,or,non-,judgment,comparison,processingandsoon),thereforeextremelysuitstoapplicationandsoonoperation,comparison,memory,transmission,control,decision-making.2nd,realizations
8、imple,thesystemisreliableBybinarysystemunderlienumeral
