|
gptkbp:instanceOf
|
computer
|
|
gptkbp:application
|
cryptography
physics
engineering
mathematics
statistics
|
|
gptkbp:collaborations
|
gptkb:IBM
|
|
gptkbp:component
|
vacuum tubes
relays
electromechanical parts
|
|
gptkbp:dataBusWidth
|
27 bits
|
|
gptkbp:dataUsage
|
drum memory
|
|
gptkbp:designedBy
|
gptkb:Howard_Aiken
|
|
gptkbp:firstAwarded
|
1952
|
|
gptkbp:firstHeld
|
1960s
|
|
gptkbp:funding
|
gptkb:U.S._government
|
|
gptkbp:hasCapacity
|
limited
|
|
gptkbp:historicalSignificance
|
early computing development
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Harvard Mark IV
|
|
gptkbp:influenced
|
subsequent computers
|
|
gptkbp:influencedBy
|
gptkb:Harvard_Mark_I
|
|
gptkbp:inputOutput
|
punched cards
|
|
gptkbp:language
|
machine code
|
|
gptkbp:legacy
|
pioneering computing technology
|
|
gptkbp:location
|
gptkb:Harvard_University
|
|
gptkbp:maintenance
|
Harvard_staff
|
|
gptkbp:notableFeature
|
programmable
hybrid architecture
large scale
reliable performance
automatic operation
|
|
gptkbp:operatingHours
|
none
|
|
gptkbp:performances
|
limited
|
|
gptkbp:powers
|
about 10 kW
|
|
gptkbp:productionCompany
|
printed paper
|
|
gptkbp:RAM
|
magnetic drum
|
|
gptkbp:researchField
|
computer science
|
|
gptkbp:size
|
large
|
|
gptkbp:speed
|
1 MHz
|
|
gptkbp:successor
|
gptkb:Harvard_Mark_I
gptkb:Harvard_Mark_V
|
|
gptkbp:technology
|
electromechanical
|
|
gptkbp:usedIn
|
scientific calculations
|
|
gptkbp:userInterface
|
console
|
|
gptkbp:voterTurnout
|
multiple
|
|
gptkbp:weight
|
over 5 tons
|
|
gptkbp:yearEstablished
|
1952
|