Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:personal_computer
|
| gptkbp:dataRate |
90 kilobytes per second
|
| gptkbp:diameter |
24 inches
|
| gptkbp:introduced |
1961
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:marketedAs |
random access storage device
|
| gptkbp:notableFor |
first use of flying head technology
removable disk packs |
| gptkbp:numberOfDiscs |
50
|
| gptkbp:operatingSystem |
gptkb:IBM_1401_Disk_Operating_System
|
| gptkbp:powerSource |
220 volts AC
|
| gptkbp:predecessor |
IBM 350
|
| gptkbp:seekTime |
165 milliseconds
|
| gptkbp:storage |
28 megabytes
|
| gptkbp:successor |
IBM 1311
|
| gptkbp:technology |
moving head
flying head |
| gptkbp:usedFor |
gptkb:IBM_1401
gptkb:IBM_1410 gptkb:IBM_7000_series |
| gptkbp:weight |
over 2000 pounds
|
| gptkbp:bfsParent |
gptkb:IBM_23FD
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 1301
|