Statements (54)
Predicate | Object |
---|---|
gptkbp:instanceOf |
computer
|
gptkbp:application |
scientific calculations
|
gptkbp:collaboratedWith |
gptkb:IBM
|
gptkbp:component |
gptkb:printer
cabling capacitors connectors power supply sensors actuators cooling system control panel transistors switches vacuum tubes logic gates inductors circuit boards chassis resistors input/output devices displays relays electromechanical parts memory units timing mechanisms magnetic drum memory punch card reader |
gptkbp:designedBy |
gptkb:Howard_H._Aiken
|
gptkbp:dimensions |
approximately 10 x 20 feet
|
gptkbp:historicalSignificance |
first computer to use a stored program concept
|
https://www.w3.org/2000/01/rdf-schema#label |
Harvard Mark III
|
gptkbp:inputOutput |
punched cards
|
gptkbp:introduced |
1951
|
gptkbp:language |
machine code
|
gptkbp:maintenance |
required regular maintenance
|
gptkbp:notableFeature |
floating-point arithmetic
programmable automatic division automatic multiplication |
gptkbp:operatingHours |
none
|
gptkbp:performances |
up to 1000 characters per second
|
gptkbp:powers |
about 10 kW
|
gptkbp:productionCompany |
printed paper
1944-1951 |
gptkbp:RAM |
up to 1000 words
|
gptkbp:reliability |
high for its time
|
gptkbp:successor |
gptkb:Harvard_Mark_II
gptkb:Harvard_Mark_IV |
gptkbp:technology |
relay technology
|
gptkbp:type |
electromechanical computer
|
gptkbp:usedBy |
gptkb:Harvard_University
|
gptkbp:userInterface |
manual control panel
|
gptkbp:weight |
approximately 5 tons
|