Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
punched card reader
|
| gptkbp:capacity |
1800 cards
3000 cards |
| gptkbp:function |
punch punched cards
read punched cards |
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 2540 card reader
|
| gptkbp:interface |
channel-attached
|
| gptkbp:introduced |
1965
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:maximumPunchSpeed |
300 cards per minute
|
| gptkbp:maximumSpeed |
1200 cards per minute
|
| gptkbp:replacedBy |
gptkb:IBM_1402_card_reader
|
| gptkbp:status |
discontinued
|
| gptkbp:usedFor |
gptkb:IBM_System/360
gptkb:IBM_System/370 |
| gptkbp:weight |
over 1000 pounds
|
| gptkbp:bfsParent |
gptkb:IBM_1442_card_reader
|
| gptkbp:bfsLayer |
6
|