Statements (25)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:personal_computer
|
gptkbp:dataRate |
90 kilobytes per second
|
gptkbp:diameter |
24 inches
|
https://www.w3.org/2000/01/rdf-schema#label |
IBM 1301
|
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
gptkb:IBM_350_Disk_Storage_Unit |
gptkbp:bfsLayer |
7
|