Thecomputer(computer)commonlyknownasthecomputer,isakindofcomputingmachinesforelectronichighspeedcalculation,numericalcalculationscanbeperformed,andcancarryoutthelogiccalculation,alsohasthememoryfunction.Canberuninaccordancewiththeprocedures,automatic,high-speedprocessingofdatainmodernintelligentelectronicdevices.Thecomposedofhardwaresystemandsoftwaresystem,notinstallanysoftwarecomputercalledthebaremetal.Canbedividedintosupercomputer,industrialcontrolcomputer,networkcomputer,personalcomputer,theembeddedcomputerfive,advancedcomputerbiologicalcomputer,photoncomputer,quantumcomputer.

　　TheinventionofthecomputermakerJohnvonNeumann.ThecomputerisintwentiethCenturythemostadvancedscienceandtechnologyinventions,hasextremelyimportantinfluenceontheproductionofhumanactivitiesandsocialactivities,andwiththerapiddevelopmentofpowerfulvitality.Anditsapplicationfieldisextendedfromtheinitialmilitaryscientificresearchappliedtoeachfieldofthesociety,hasformedalargescalecomputerindustry,promotethetechnologicalprogressworldwide,whichtriggeredaprofoundsocialchange,thecomputerhasbeeningeneralschools,enterprisesandinstitutions,intothehomesofordinarypeople,becomeanindispensabletoolintheinformationsociety.

　　TheapplicationofthecomputermoreandmorepopularinChinesemoreand,afterthereformandopenpolicy,thenumberofcomputerusersChineserising,improvetheleveloftheirapplication,especiallytheapplicationfieldsofInternet,communication,multimedia,andachievedgoodresults.From1996to2009,thenumberofcomputerusersfromtheoriginal6300000increasedto67100000,thenumberofcomputersonthenetworkiscomposedof29000originalroseto59400000.Internetusershasreached316000000,with670000000mobileusersofwirelessInternet,themobilephoneInternetusersreached117000000,forthefirst.EvolutionofcomputingtoolsexperiencedfromsimpletocomplexIndifferentstagesfromlowtohighAnexampleENIACcomputer[1]

　　AsfromQuipuInknotstocountingrodsAbacusCalculatingruleMechanicsComputeretc.TheyplaytheirroleinhistoryindifferenthistoricalperiodsItalsoinspiredthedevelopmentanddesignofelectroniccomputer

　　1889AmericascientistsHerman,HeLeliDevelopedtheelectrictabulatingmachinepowerbasedThecalculationdataisusedtostore

　　1930AmericascientistsVannevarBushBuildtheworld'sfirstelectronicanalogcomputer

　　February14,1946ByUSAThecustomizationofthefirstelectroniccomputerintheworldElectronicnumericalintegratorandcomputerENIACElectronicNumericalAndCalculatorInUSAUniversityofPennsylvaniaTheadventofENIAC[2]ChinesenameErnieAkeIsUSAAuberdineweaponstestsiteinordertomeettheneedofcalculatingtrajectoryanddevelopedThiscomputeruses17840electrontubeThesizeof80x8FootWeighing28TTonsPowerconsumptionis170kWTheoperationspeedof5000timespersecondtheadditionoperationThecostisabout487000ThedollarTheadventofENIACisofepoch-makingsignificanceIndicatesthatthecomputereraInthenext60yearsComputertechnologyisdevelopingatanamazingspeedTheperformancepricewithoutanyonetechnologythantoincreaseby6ordersofmagnitudein30years[3]

　　Thefirstgenerati