technology-technewscircle

Embedded computer

12/12/2021 1up 3270Views

IntroductionMainlyfromthreeaspectstounderstandtheconceptofembeddedsystemEmbeddedcomputer(17photos)1.Fromthehardware.IntegrateCPU-basedperipheraldevicesintotheCPUchip.Forexample,intheearlycomputersbase...

Printing anti-counterfeiting technology

12/12/2021 69up 3263Views

OriginAnti-counterfeitingisapreventivemeasuretakentopreventimitationorcopyingactivitiesforthepurposeofdeceptionwithoutthepermissionoftheowner.Anti-counterfeitingisatechnologyadoptedtoachievethepurpose...

Relational database management system

11/12/2021 32up 3231Views

BasicinformationRelationalDatabaseManagementSystem(RDBMS)referstoasetofprocedures(databasemanagementsystemsoftware)thatincludesinterconnectedlogicalorganizationsandaccesstothesedata.Arelationaldatabas...

Japan National Museum of Ethnology

11/12/2021 71up 3396Views

ArchitecturallayoutThishallisdividedinto9exhibitionhalls.TheaudiencestartedfromtheOceaniaRoomandvisitedtheexhibitionhallsinAmerica,Europe,Africa,WestAsia,SoutheastAsia,NorthCentralandEastAsiainsequenc...

Power electronics

11/12/2021 33up 3630Views

IntroductionPowerelectronicequipmentisadevicecomposedofvariouspowerelectroniccircuits.Usedfortheconversionandcontrolofhigh-powerelectricenergy.Alsoknownasconverterdevice.Itincludesrectifiers,inverters...

American National Standards Institute

11/12/2021 23up 3374Views

SynonymAmericanNationalStandardsInstitutegenerallyreferstotheAmericanNationalStandardsInstitute.HistoricalbackgroundTheAmericanNationalStandardsInstitute(ANSI)wasfoundedin1918.Atthattime,manycompanies...

Cybernetics

11/12/2021 84up 3358Views

EstablishmentanddevelopmentInthe1930sand1940s,scientistsbegantopaygreatattentiontotheresearchinformationmeasurementandfeedbackmechanism,andgainedarelativelydeepunderstanding.BritishstatisticianRAFishe...

Organelle

10/12/2021 75up 3374Views

IntroductionTheorganellesofanimalcellsandplantcells(2photos)Theorganellesaredividedinto:mitochondria;Chloroplast;endoplasmicreticulum;Golgiapparatus;lysosome;vacuole,ribosome,centrosome.Amongthem,chlo...

Morse code

10/12/2021 32up 3639Views

HistoryofproductionMorsecodeisakindofmagicalcode,itisasignalcodeanditisonandoffatalltimes.Suchsignalcodesaredisplayedindifferentsequences.OutdifferentEnglishletters,numbers,andpunctuationmarks.Itsinve...

keyboard

10/12/2021 24up 3382Views

StructureIntheshell,somekeyboardsarefixedonthekeyboardpanelandthebasewiththetechnologyofplasticconcealedhooks,realizingametalscrew-freedesign,sobecarefultoavoiddamagewhendisassembling.Inordertomeetthe...

Strange Tales of Liao Zhai

10/12/2021 55up 3580Views

IntroductionThebook"StrangeTalesfromaLonelyStudio"hasnearly500articles,whicharemainlydividedintothefollowingtypes:Thefirstislovestory,whichoccupiesthelargestpartofthebook.Mostofthemaincharactersinthes...

Type

10/12/2021 43up 3438Views

qianhuoziTypetypeThemeasurementoftypehastwotypes:numbersystemandpointsystem.Thepointsystemisgenerallyadoptedintheworld..Thelengthofthedotis0.35146mminBritain,theUnitedStates,Japanandothercountries,and...

Time division multiplexing

09/12/2021 80up 3541Views

BasicprincipleSchematicdiagramofn-channeltime-divisionmultiplexingsystem:Schematicdiagramofn-channeltime-divisionmultiplexingsystem(1picture)Timedivisionmultiplexingissuitableforthetransmissionofdigit...

Dunhuang Stone Room

09/12/2021 68up 3302Views

Interpretation1.Alsoknownas"DunhuangGrottoes".2.IncludingtheMogaoGrottoes,WestThousandBuddhaCaves,YulinGrottoesandShuixiakouSmallThousandBuddhaCaves,whichbelongedtoDunhuanginancienttimes.Generallyrefe...

Tuoli County

09/12/2021 75up 3673Views

ThesynonymTuoli(TuoliCounty,XinjiangUygurAutonomousRegion)generallyreferstoTuoliCounty.HistoryEarlyHistoryToliCountyhasbeenlocatedintheWesternRegionssinceancienttimes,duringtheQinandHanDynasties,Theco...