英语作文Howwascomputerinvented写到60-查字典问答网
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  英语作文Howwascomputerinvented写到60词就够了,无语法错误,简洁明了

  英语作文Howwascomputerinvented

  写到60词就够了,无语法错误,简洁明了

1回答
2020-02-16 18:58
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彭恒

  Thehistoryofthemoderncomputerbeginswithtwoseparatetechnologies—automatedcalculationandprogrammability—butnosingledevicecanbeidentifiedastheearliestcomputer,partlybecauseoftheinconsistentapplicationofthatterm.Examplesofearlymechanicalcalculatingdevicesincludetheabacus,theslideruleandarguablytheastrolabeandtheAntikytheramechanism(whichdatesfromabout150–100BC).HeroofAlexandriabuiltamechanicaltheaterwhichperformedaplaylasting10minutesandwasoperatedbyacomplexsystemofropesanddrumsthatmightbeconsideredtobeameansofdecidingwhichpartsofthemechanismperformedwhichactionsandwhen.Thisistheessenceofprogrammability.

  求采纳

2020-02-16 19:01:11

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