高中英語Unit3Computers課件新人教版必修2.ppt

Unit3 Computers 學(xué)習(xí)目標(biāo)展示 背景知識(shí)鏈接 Computersareplayinganimportantpartinourdailylife soweshouldknowaboutsomewordsaboutcomputers Thistexttellsyouafewcomputerwords 電腦在我們的日常生活中起著重要的作用 因此我們應(yīng)該了解一些電腦詞語 這篇文章會(huì)告訴你幾個(gè)電腦詞語 ComputerexpertDouglasEngelbartdevelopedtheideaforthemouseintheearly1960s Thefirstcomputermousewasacarved blockofwoodwithtwometalwheels Itwascalledamousebecauseithadatailatoneend Thetailwasthewirethatconnectedittothecomputer Usingacomputertakessometraining Peoplewhoareexpertsaresometimescalledhackers Ahackerisusuallyapersonwhowritessoftwareprogramsinaspecialcomputerlanguage Buttheword hacker isalsousedtodescribeapersonwhotriestostealinformationfromcomputersystems AnotherwellknowncomputerwordisGoogle Itisthenameofapopularsearchengine fortheInternet PeopleusethesearchenginetofindinformationaboutalmostanysubjectontheInternet ThepeoplewhostartedthecompanynameditGooglebecauseinmathematics googol spelledg o o g o l isanextremelylargenumber Itisthenumberonefollowedbyonehundredzeros Whenyou Google asubject youcangetalargeamountofinformationaboutit Somepeopleliketo Google theirfriendsorthemselvestoseehowmanytimestheirnameappearsontheInternet Notes device dI vaIs n 裝置 設(shè)備 cursor k s r n 光標(biāo) carve ka v vt 雕刻 hacker h k r n 黑客 searchenginen 搜索引擎 TaskWhatisthemainideaofthesecondparagraph A DouglasEngelbartwasagreatinventor B Thefirstmousewasmad