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【英语翻译DigitaldevicesThemostbasicdigitaldevicesarecalledgates.Gatesoriginallygottheirnamefromtheirfunctionofallowingorretarding(“gating”)theflowofdigitalinformation.Eachgaterepresentsalogiccircuitdiagramwit】
更新时间:2024-04-26 11:28:34
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英语翻译

Digitaldevices

Themostbasicdigitaldevicesarecalledgates.Gatesoriginallygottheirnamefromtheirfunctionofallowingorretarding(“gating”)theflowofdigitalinformation.Eachgaterepresentsalogiccircuitdiagramwitharepresentativesymbol.Figure8-1showssymbolsforthecommongates.BothsetsofsymbolsillustratedaredefinedinIEEE/ANSIstandard91-1984.

Weuseahighvoltagelevel(H)torepresentlogic1andalowvoltage(L)torepresentlogic0.TheoutputofanANDgateis1onlyifbothinputsare1.Thetruthtableisshowninfigure8-2.Agateiscalledacombinationcircuitbecauseitsoutputdependsonlyonthecurrentinputcombination.

ANDgate,ORgateandNOTgate(orinverter)arethethreemostimportantkindsofgates.Anydigitalfunctioncanberealizedusingjustthesekindsofgates.

Aflip-flopisadevicethatstoreseither0or1.Thestateofflip-flopisthevaluethatitcurrentlystores.Thestoredvaluecanbechangedonlyatcertaintimedeterminedbya“clock”input,andthenewvaluemayfurtherdependontheflip-flop’scurrentstateandits“control”inputs.

Adigitalcircuitthatcontainsflip-flopiscalledasequentialcircuit,becauseitsoutputatanytimedependsnotonlyonitscurrentinputbutalsoonthepastsequenceofinputsthathavebeenappliedtoit.Inotherwords,asequentialcircuithasmemoryofpastevents.

ANSI:TheAmericanNationalStandardsInstitute美国国家标准化组织

满鹏回答:
  太多了,这种翻译不付钱又不是朋友的话应该不会有人帮你做吧.翻译是一件很痛苦的事情.
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