Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
electromechanical card reader
|
| gptkbp:category |
gptkb:personal_computer
Punched card equipment |
| gptkbp:height |
about 4 feet
|
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 711 card reader
|
| gptkbp:introduced |
1952
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:maximumDepth |
about 2.5 feet
|
| gptkbp:maximumSpeed |
250 cards per minute
|
| gptkbp:powerSource |
about 1 kW
|
| gptkbp:readBy |
80-column punched cards
|
| gptkbp:replacedBy |
gptkb:IBM_1402_card_reader
|
| gptkbp:usedFor |
gptkb:IBM_701
gptkb:IBM_704 gptkb:IBM_650 gptkb:IBM_709 |
| gptkbp:weight |
about 600 pounds
|
| gptkbp:width |
about 5 feet
|
| gptkbp:bfsParent |
gptkb:IBM_7080
|
| gptkbp:bfsLayer |
7
|