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gptkbp:instanceOf
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electromechanical computer
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gptkbp:alsoKnownAs
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gptkb:IBM_Automatic_Sequence_Controlled_Calculator
gptkb:Harvard_Mark_I
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gptkbp:component
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relays
switches
clutches
rotating shafts
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gptkbp:country
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gptkb:United_States
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gptkbp:designer
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gptkb:Howard_H._Aiken
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gptkbp:displayedAt
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gptkb:Harvard_Science_Center
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gptkbp:fundedBy
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gptkb:United_States_Navy
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gptkbp:height
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about 8 feet
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https://www.w3.org/2000/01/rdf-schema#label
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Mark I (computer)
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gptkbp:influenced
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gptkb:Harvard_Mark_III
gptkb:Harvard_Mark_II
gptkb:Harvard_Mark_IV
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gptkbp:input
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punched paper tape
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gptkbp:length
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about 51 feet
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gptkbp:location
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gptkb:Harvard_University
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gptkbp:manufacturer
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gptkb:IBM
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gptkbp:notableUser
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gptkb:Grace_Hopper
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gptkbp:operationalPeriod
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1944-1959
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gptkbp:output
|
electromechanical typewriter
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gptkbp:programmingLanguage
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gptkb:assembly_language
machine code
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gptkbp:purpose
|
scientific calculations
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gptkbp:significance
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one of the first programmable digital computers
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gptkbp:technology
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electromechanical relays
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gptkbp:weight
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about 5 tons
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gptkbp:yearCompleted
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1944
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gptkbp:bfsParent
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gptkb:Mk_I
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gptkbp:bfsLayer
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7
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