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gptkbp:instanceOf
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Data storage medium
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|
gptkbp:alsoKnownAs
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Hollerith cards
Punched cards
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gptkbp:capacity
|
Typically 80 columns
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gptkbp:category
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Information technology
Office equipment
Computer history
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|
gptkbp:declinedAfter
|
1970s
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gptkbp:encodes
|
Holes punched in predefined positions
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|
https://www.w3.org/2000/01/rdf-schema#label
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Punch cards
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gptkbp:introducedIn
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1890
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gptkbp:inventedBy
|
gptkb:Herman_Hollerith
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gptkbp:material
|
Stiff paper
|
|
gptkbp:notableEvent
|
1890 US Census
Development of IBM
Early computer programming
|
|
gptkbp:notableUser
|
gptkb:IBM
gptkb:US_Census_Bureau
Government agencies
Universities
|
|
gptkbp:obsoletes
|
Yes
|
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gptkbp:peakUsage
|
1950s
1960s
|
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gptkbp:relatedTo
|
gptkb:Assembly_language
gptkb:COBOL
gptkb:Fortran
Card reader
Keypunch machine
Tabulator
|
|
gptkbp:replacedBy
|
gptkb:Magnetic_tape
Disk storage
|
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gptkbp:size
|
7 3⁄8 by 3 1⁄4 inches
|
|
gptkbp:usedFor
|
Programming
Data processing
Data storage
|
|
gptkbp:usedIn
|
Early computers
Tabulating machines
|
|
gptkbp:bfsParent
|
gptkb:CLI_(Command_Line_Interface)
|
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gptkbp:bfsLayer
|
7
|