高一英语必修二 unit3 computers reading 课件.ppt

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1、Unit3Computers1completely2completechange3tomakethingseasier4tofindtheanswerusingnumbers5canbemovedeasilyfromplacetoplace6toworkouttheanswertoaproblemtotallyrevolutionsimplifycalculatemobilesolveTask1Fillintheblanks.7totravelaroundanareatofindoutaboutit8completely9anyway

2、10activityofmanagingmoneyexploretotallyanyhowfinanceWhatdotheyhaveincommon?AnabacusAcalculatorAdesktopAnotebookcomputerWhat’snext?What’snext?Reading:WhoamI?Listentothetapeandanswerthesequestions.2.Whowastherealfather?3..Whathappenedto“I”sincethe1970s?Ihavebeenusedinoffi

3、cesandhomes,andmanyapplicationshavebeenfoundforme.AlanTuring1WhoamI?Acomputer.16421822TheanalyticalmachinewasmadebyCharlesBabbage.1936Thecomputerbeganasacalculatingmachine．Thecomputergrewrapidlybothinsizeandinbrainpower.Carefulreading1940sThefirstfamilyofcomputerswascon

4、nectedtoeachother.1970snowComputershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether,andhelppeoplealot.EarlydaysNameFunctionPoorStrongA_________machineSimplifydifficultsumsAn________machineThinklogicallyandprodu

5、ceananswerquicklyA_________machineSolvedifficult______________________calculatinganalyticaluniversalmathematicalproblemsNetworktimesstoredinTubesLargeSmall____________Smallchips__________NarrowWideFinance________RobotsMobilephones___________SpacerocketsMedicaloperations

6、MemoryTransistorsApplicationsCommunicationTradethesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)253461.2.screen3.CD-ROM4.keyboard5.mouse6.harddiskLabeleachpart1monitorWhatisPC?Speakthefullname.Itmeans:pers

7、onalcomputer.2.WhatisIT?InformationTechnology.3.WhatisCD-ROM?Compactdiscread-onlymemory.4.WhatisPDA?Personaldigitalassistant.5.WhatisW.W.W?Worldwideweb.6.科学技术。Scienceandtechnology.7.人工智能。Artificialintelligence.8.笔记本电脑。Notebookcomputer.