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高一必修2unit3 heavy difficult hard tired easy fast free monitor keyboard mouse speaker modem scanner printer usbflashdisc harddisc labeleachpart monitor screen cd rom mouse keyboard harddisk 1 lookatthesepictures inpairsdiscusswhattheyhaveincommon 2 whatdotheytellyouaboutthedevelopmentofcomputers 3 whatdoyouthinkwillbethenextdevelopment what snext 1 whoisthespeakerinthisstory acomputer 2 writedownthreesentencesfromthestorytosupportyouridea 1 iwasbuiltasananalyticalmachinebycharlesbabbage 2 myrealfather alanturing 3 iwasalwayslonelystandingtherebymyself untilinearly1960stheygavemeafamilyconnectedbyanetwork skimthetextandputthefollowinginventionsinanorderaccordingtothetimewhentheyappeared analyticalmachine calculatingmachine pc laptop robot universalmachine 2 1 4 5 6 3 1 wherewereyouin1642 infrance 2 whathappenedtoyouafternearlytwohundredyears iwasbuiltasananalyticalmachinebybabbage 3 whatwereyoucalledin1936 auniversalmachine 4 whathappenedtoyouinthe1970s ihavebeenusedinofficesandhomes overtimeihavebeenchangedquitealot thesechangesonlybecamepossibleasmymemoryimproved sincethe1970smanynewapplicatio nshavebeenfoundforme task3comprehendingex 2 calculatingmachineanalyticalmachineuniversalmachinepclaptop tubestransistorschipsnetworkworldwideweb communicationsfinancetraderobotsmobilephonesmedicaloperationsspacerocketsprovidingalifeofhighquality thecomputerbeganasacalculatingmachine thecomputergrewrapidlybothinsizeandinbrainpower computershadgrownaslargeasaroom 1960s computerswereusedinofficesandhomes computersconnectpeopleallovertheworldtogether calculating analytical universal mathematicalproblems medicaloperations memory transistors applications communication trade overtimeihavebeenchangedquitealot thesechangesonlybecamepossibleasmymemoryimproved calculatingmachineanalyticalmachineuniversalmachinepclaptop tubestransistorschipsnetworkworldwideweb communications finance trade robots mobilephones medicaloperations spacerockets providingalifeofhighquality sincethe1970smanynewapplicationshavebeenfoundforme totally revolution simplify calculate mobile solve explore totally anyhow finance thesecondgeneration 1956 1963 thethirdgeneration 1964 1971 thefourthgeneration 1971 thefirstgeneration 1945 1956 thehistoryofcomputers whatispc speakthenameonthewhole itmeans personalcomputer 2 whatisit informationtechnology 3 whatiscd rom compactdiscread onlymemory 4 whatispda personaldigitalassistant 5 whatisw w w worldwideweb 6 科學(xué)技術(shù) scienceandtechnology 7 人工智能 artificialintelligence 8 筆記本電腦 notebookcomputer 9 whowasthefirstpersontodevisethefirs

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