Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
computer storage device
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:dataSource |
random access
|
| gptkbp:diameter |
24 inches
|
| gptkbp:encodes |
gptkb:NRZI
|
| gptkbp:formFactor |
large cabinet
|
| gptkbp:historicalSignificance |
first commercial hard disk drive
|
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 350 Disk Storage Unit
|
| gptkbp:interface |
proprietary IBM interface
|
| gptkbp:introduced |
1956
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:marketedAs |
RAMAC (Random Access Method of Accounting and Control)
|
| gptkbp:mediaType |
gptkb:personal_computer
|
| gptkbp:numberOfDiscs |
50
|
| gptkbp:powerSource |
about 2 kW
|
| gptkbp:readWriteHeads |
2
|
| gptkbp:rotationPeriod |
1200 rpm
|
| gptkbp:storage |
about 3.75 megabytes
|
| gptkbp:successor |
gptkb:IBM_1301
|
| gptkbp:usedIn |
gptkb:IBM_305_RAMAC
|
| gptkbp:weight |
about 1 ton
|
| gptkbp:bfsParent |
gptkb:IBM_305_RAMAC
gptkb:Magnetic_Storage_Devices |
| gptkbp:bfsLayer |
6
|