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阅读与训练
Worldsfirstcomputerprogrammer
Tosayshewasaheadofhertimewouldbeanunderstatement.AdaLovelaceearnedherplaceinhistoryasthefirstcomputerprogrammer—afullcenturybeforetodayscomputersemerged.
ShecouldnthavedoneitwithoutBritishmathematician,inventorandengineerCharlesBabbage.Theircooperationstartedintheearly1830s,whenLovelacewasjust17.BabbagehaddrawnupplansforamachinehecalledtheDifferenceEngine—essentially,agiantmechanicalcalculator.Inthemiddleofhisworkonit,theteenageLovelacemetBabbageataparty.
There,heshowedanincompleteprototype(原型)ofhismachine.Accordingtoafamilyfriendwhowasthere:“Whileothervisitorsgazedattheworkingofthisbeautifulinstrument,MissByron,youngasshewas,understooditsworking,andsawthegreatbeautyoftheinvention.”
Itwasmathematicalobsession(痴迷)atfirstsight.ThetwostruckupaworkingrelationshipandeventualclosefriendshipthatwouldlastuntilLovelacesdeathin1852,whenshewasonly36.BabbageabandonedhisDifferenceEnginetobrainstormanewAnalyticalEngine—intheory,capableofmorecomplexnumbercrunching—butitwasLovelacewhosawthatenginestruepotential.
TheAnalyticalEnginewasmorethanacalculator—itscomplexmechanismsandthefactthattheuserfeditcommandsviaapunchcardmeanttheenginecouldperformnearlyanymathematicaltaskordered.Lovelaceevenwroteinstructionsforsolvingacomplexmathproblem,shouldthemachineeverseethelightofday.
Manyhistorianswouldlaterconsiderthoseinstructionsthefirstcomputerprogram,andLovelacethefirstprogrammer.Itsherworkin“poeticalscience”,asshecalledit,thatdefinesherasoneofthegreatestscientists.
本文是一篇记叙文。埃达·洛夫莱斯为巴贝奇的分析机设计了解决复杂数学问题的指令,被称为世界上第一位程序员。
.语句分析
1.Whileothervisitorsgazedattheworkingofthisbeautifulinstrument,MissByron,youngasshewas,understooditsworking,andsawthegreatbeautyoftheinvention.当其他客人注视着这台美丽的仪器工作时,拜伦
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