Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
disk storage unit
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:dataRate |
90,000 characters per second
|
| gptkbp:diameter |
24 inches
|
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 1301 Disk Storage Unit
|
| gptkbp:introduced |
1961
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:marketedAs |
high-capacity storage for mainframes
|
| gptkbp:mediaType |
gptkb:personal_computer
|
| gptkbp:numberOfDiscs |
20
|
| gptkbp:numberOfTracks |
100
|
| gptkbp:predecessor |
gptkb:IBM_350_Disk_Storage_Unit
|
| gptkbp:readWriteHeads |
40
|
| gptkbp:storage |
28 million characters
|
| gptkbp:successor |
gptkb:IBM_1311_Disk_Storage_Drive
|
| gptkbp:technology |
moving head disk storage
|
| gptkbp:trackDensity |
250 tracks per inch
|
| gptkbp:usedFor |
gptkb:IBM_1400_series
gptkb:IBM_7000_series |
| gptkbp:weight |
over 2,500 pounds
|
| gptkbp:bfsParent |
gptkb:IBM_2311_Disk_Storage_Drive
|
| gptkbp:bfsLayer |
7
|