_M2U3-阅读课件-Who_am_I

北京信息工程学院附属中学Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusGuess!Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputer/laptopDoyouknowwhoIam?AhugecomputerPCPDAabacuscalculatorlaptop中学2.Themainideaofthepassageis:A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer.1.WhoamIinthepassage?3.Inwhatkindoforderisthepassageorganized?Timeorder.Iamacomputer.1642TheanalyticalmachinewasmadebyCharlesBabbage.19361940sThefirstfamilyofcomputerswasconnectedtoeachother.1970snowTimelineThecomputerbeganasacalculatingmachine．1822Thecomputerwasmadetoworkasauniversalmachine．Thecomputerhadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes．Computersconnectpeopleallovertheworldtogether.Scanning:Paragraph1Paragraph2Paragraph3TopicsentenceSupportingdetailsOvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.calculatingmachineanalyticalmachineuniversalmachinePClaptoptubestransistorschipsnetworkPostreading优化设计P48四TrueorFalse1.AlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.2.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.3.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.4.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTF2)Whatcanyouinferfromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.Q1:HowdidthecomputerworkasanAnalyticalMachine?Thecomputerfollowedinstructionsfromcardswithholes.2.QuestionsQ2:Inhowmanywaysdowesaythecomputerchanged?Whatarethey?•Size:•Intelligence:•Speed:•Function:•People’opinion:smallerquickercleverercalculating----dealingwith…,communicatingwith…clever&useful1Amonitoris2Thescreenis3Akeyboardis4Amouseis5ACD-ROMis6Aharddiskis(a)thepartofacomputerthatstoresinformation.(b)thepartofthecomputerthatyoutypeon.(c)thepartofthecomputerthatlookslikeatelevision(d)somethingyouusetoclickonthings(files,etc.).(e)thepartofthemonitorthatyoulookat.(f)aseparatediskthatcontainslotsofinformation.Matchthewordswiththeirmeanings.1642began…calculating…France1822TheAnalyticalMachine…CharlesBabbage1936AlanTuring…wrote…built…1940sAslargeasconnected…share…talk…1970sBecomeveryimportantin…nowdealwith…communicate…1960sConsolidation:RetellingschoolworkgamesemailsmusicandfilmschatinformationphotosshoppingpalmtopsmallerdesktopconvenientlaptoprobotWhataboutinthefuture?