高一英语必修2Unit3Computers课件

Withthedevelopmentofscienceandtechnology,manynewthingsappearinhumanbeing’slife.Let’sguesswhattheyare:1.Withmeyoucanwatchdifferentprogrammesjustathome.I’mamachinethathasascreenwithmovingpicturesandsounds.Butwatchingmetoomuchisbadforyoureyes.TVset2.Iamamachinewhichmovesveryfastonfourwheels.Youneedalicense(执照)andmustbeverycarefulwhenyoudriveme.RollsRoyce,BenzandBMWaresomefamouskindsofme.car3.Iamamachinewhichisagoodhelperindoinghousework.Iwashclothesforpeople.WhoamI?washingmachine4.Amachinethatyouusetotalktootherpeopleeveninafar-awayplace.Weareconnectedbywireorradio.Noweachofusoftenhasanumber.WhoamI?telephone5.Itisamachine,whichyoucanusetotypeyourhomework,drawpictures,playgames,watchmovies,listentomusic,communicatewithyourfriends,gatherinformation…Computer•itisakindofcomputerwhichcanbetakenconvenientlylikeanotebook.AlaptopWhatEnglishwordsdoyouknowaboutcomputers?WhatisitinEnglish??mouse鼠标WhatisitinEnglish??CPU(centralprocessingUnit)中央处理器WhatisitinEnglish??Mainboard(主板)WhatisitinEnglish??Display/MonitorcomputerInternetSearchKeyboardClickE-mailBlogBGillatesE-palComponentsofacomputerScannerPrinterMonitorFloppyDiskMouseSpeakerTimelineThecomputerbeganasacalculatingmachineThecomputergrewrapidlybothinsizeandinbrainpower.Thecomputerhadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.1642:_______________________________________________1822:TheAnalyticalMachinewasmadebyCharlesBabbage.1936:______________________________________________________________________________________1940s:______________________________________________:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:_________________________________________Now:__________________________________________Fillintheblanks:Ibeganasa________machinein1642inFrance.In1822Iwasbuiltasan________machine.Thenin1936AlanTuringwroteabookandbuilta________machine.Astheyearshave______,Ihavebeenmade______.Thereweretimeswhenmysize______changed.Andmymemorybecame_____large_____Icouldn’tbelieveit.Inthe1960stheygavemeafamily_________byanetwork.Iwasableto_________________withothersthroughtheWorldWideWeb.Sincethe1970smanynewapplications______________forme.calculatinganalyticaluniversalgonebysmallertotallythatconnectedhavebeenfoundsharemyknowledgeso1.___________2.___________3.___________4.___________5.___________6.___________7.___________8.___________9.___________10.__________completechangeinwaysofthinking,working,etc.connectedcomputersystemtomakethingseasiertofindtheanswerusingnumberscanbemovedeasilyfromplacetoplacetoworkouttheanswertoaproblemtotravelaroundanareatofindoutaboutitcompletelyanywayactivityofmanagingmoneyfinanceanyhowtotallyexploresolvemobilecalculatesimplifyrevolutionnetworkFindthewordorexpressionsfroeachofthefollowingmeaningsfromthetext.2CompletethepassagewiththewordsbelowMybrotherwasveryinterestedincomputersandenjoyedwritingprogramsofhisown.HeusedtodownloadinformationfromtheInternetandmadegooduseofit.Helikedto________theWorldWide_______andusedtheInternettocommunicatewithcomputerprogrammersallovertheworld.WhenhewenttouniversityhestudiedIT(information____________)anddevelopedaspecialinterestin__________intelligence.Afterdevelopingspecial___________ofthecomputer,hehopestodesignan__________robotwhichcanthink_________andlooklikeahumanbeing,butin_______hehasalongwaytogo.exploreWebtechnologyartificialapplicationsintelligentlogicallyrealityChangesofthemachineCalculatingmachineAnalyticalmachineUniversalmachineMachinewithartificialintelligenceMachinewithnewtransistorAfamilyconnectedbyanetworkAfamilyusedbytheInternet