HistoryofInventors课件
日期:2010-11-03 11:24
whilearesearcheratBellLabs,engineer,astudentatMassachusettsInstituteofTechnologywasworkingonhismaster’sthesisonBooleanalgebraandelectroniccircuitryGeorgeStibitz,AnujAroraHistoryofInventorsGeorgeStibitz1904-1995PioneerofdigitalcomputingandremotejobentryHistoryLeadingtoanIdeaIn1927anAmericanscientist,ClaudeShannon,andpoliticiannamedVanneyarBushdesignedananalogcomputerthatcouldsolvesimpleequationsIn1937,realizedthatBooleanlogiccouldbeusedforthecircuitryofelectromechanicaltelephonerelaysBuildingonanIdeaStibitzconstructedhismachinetosolveamanpowerproblematBellLaboratoriesThephonecompanyhadbeguntorelyoncomplexnumbersintheequationsthatcomputedcharacteristicsoffiltersandtransmissionlinesThirtypeopleworkedfulltimeattheimpossibletaskofperformingthesecomputationsonlarge,bulkydeskcalculators??Lookingforamoreefficientwaytogetthejobdone,StibitzexperimentedathomewiththeconceptofbuildingacalculatorthatwouldautomaticallysolvecomplexarithmeticproblemswithbinarycomputationsThemostconvenientpartsavailablewere,
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