Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:personal_computer
|
| gptkbp:function |
punched card reader
punched card punch |
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 2540 Card Read Punch
|
| gptkbp:interface |
channel-attached
|
| gptkbp:introduced |
1965
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:mediaType |
80-column punched cards
|
| gptkbp:notableFor |
high-speed card processing
|
| gptkbp:powerSource |
208V, 60Hz
|
| gptkbp:punchSpeed |
up to 300 cards per minute
|
| gptkbp:readBy |
up to 1000 cards per minute
|
| gptkbp:regionOfOrigin |
gptkb:United_States
|
| gptkbp:replacedBy |
gptkb:IBM_1402_Card_Read_Punch
|
| gptkbp:status |
discontinued
|
| gptkbp:successor |
IBM 3525 Card Punch
|
| gptkbp:usedFor |
gptkb:IBM_System/360
gptkb:IBM_System/370 |
| gptkbp:weight |
over 1000 pounds
|
| gptkbp:bfsParent |
gptkb:IBM_1442_Card_Read_Punch
|
| gptkbp:bfsLayer |
7
|