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1、站长专用!!计算机选购组装维修与应用教程认识计算机—配置硬件—连接硬件—配置软件—计算机应用—计算机维护认识计算机篇1个人电脑的英文名为“PersonalComputer”,因此,许多人根据英文名的缩写,将它叫做PC。另外,因它多为家庭环境使用,又管它叫做“家用电脑”。一般人所说的“电脑”,多指的是它。其实,个人电脑只是计算机家族中的一员,从它的软、硬件要求和配置来看,较其他类型的电脑更适合个人及家庭环境使用。 个人电脑既然是计算机家族中的一员,自然拥有“计算机”所具有的共性;也具有自身的特点。 下面,我
2、们就来初步认识一下个人电脑。 一、个人电脑的硬件结构 在我们看个人电脑的硬件结构之前,先简单了解一下计算机的基本结构,参见图1。 layoutdevelopmentcitiesindevelopedcountriesshowthatdevelopingrailtransitGuideandanimportantmeansofachievingsustainableurbandevelopment.Morethanthebulkoftheurbanrailtransitvehicles,railtraffi
3、cintheurbanspacelayoutandguidetheevacuation,optimizingthestructureandotheraspectsalsoplayanimportantroleinitsroleasthescalebecomesmoreimportant.Railtransitonlanddevelopmentandstimulationisachievedthroughitsgoodaccessibility,underthedualroleofmechanismsinlan
4、dandplanning,transportaccessibilityhighlandalongtherailtransitdevelopmentandhighstrength,promotionofurbanmorphologyandlandusepatternstoadjustaccordingly.1,andCopenhagen1947,Copenhagenreferstoshapedplanningintroduced,requirementslanddevelopmentalongnarrowoff
5、ingercorridorconcentrated,referstoshapedplanningguidebigCopenhagenareaalongtracktrafficlinecleardefinedofcorridorforMetrodevelopment,throughtracktrafficandcitydevelopmentofintegration,willalongdevelopmentconcentratedintrackstationaroundakmaround,aroundtrack
6、sitelandimplementationintegratedintensivedevelopment,andprovidesgoodofnon-mobileofwayreceivedconnectionfacilities,Ensurethatalargerproportionoftheregion'sresidentscommuteusingmasstransit.Figure5.1-3CopenhagenMetroCityDevelopment2,Tokyo5.1-4TokyoMetrotoguide
7、regionaldevelopment(left:1950,right:2000)formationisthemasstransitsystemofthecityofTokyo,whichhavebeendevelopedundertheguidanceof.Easternsuburbs...Establishedtotracktrafficbasedonthenetwork-city,usingrail-orientedintensivedevelopmentmodehasbeenrecognizedinm
8、anycities.Createdtheurbanstructureofthenode,formingtheurbanrailtransit-dependentandlifestyle,aswellasmasstransitsystemsprovideadequatepassengerprotection.5.1.3toguidethehealthydevelopmentof由图1可见,一台计算机硬