Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
data processing system
|
| gptkbp:basedOn |
punched card technology
|
| gptkbp:component |
SD card
tabulator IBM punched card card sorter keypunch machine |
| gptkbp:developedBy |
gptkb:IBM
|
| https://www.w3.org/2000/01/rdf-schema#label |
IBM punched card system
|
| gptkbp:introduced |
1928
|
| gptkbp:obsoletes |
yes
|
| gptkbp:popularFor |
mid-20th century
|
| gptkbp:replacedBy |
electronic computers
|
| gptkbp:standardCardSize |
80 columns
12 rows |
| gptkbp:usedFor |
data storage
data processing data tabulation |
| gptkbp:usedIn |
census
scientific research business accounting |
| gptkbp:bfsParent |
gptkb:Hollerith_punched_card_system
|
| gptkbp:bfsLayer |
7
|