Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:punch_card_reader
|
| gptkbp:category |
gptkb:personal_computer
|
| gptkbp:function |
read punched cards
|
| gptkbp:input |
80-column punched cards
|
| gptkbp:introducedIn |
1952
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:output |
electrical signals
|
| gptkbp:usedFor |
gptkb:IBM_1401
gptkb:IBM_650 data input |
| gptkbp:bfsParent |
gptkb:ISO-IR-15
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
IBM 1010
|