Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:magnetic_tape_drive
|
| gptkbp:capacity |
up to 2.4 MB per reel
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:encodes |
gptkb:NRZI
|
| gptkbp:historicalSignificance |
first magnetic tape drive for IBM computers
|
| gptkbp:introduced |
1952
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:mediaType |
magnetic tape
|
| gptkbp:numberOfTracks |
7
|
| gptkbp:primaryUse |
data storage
|
| gptkbp:recordingMethod |
seven-track
|
| gptkbp:speed |
75 inches per second
|
| gptkbp:status |
obsolete
|
| gptkbp:successor |
gptkb:IBM_729_tape_drive
|
| gptkbp:usedFor |
gptkb:IBM_701
gptkb:IBM_704 gptkb:IBM_709 gptkb:IBM_705 |
| gptkbp:weight |
about 800 pounds
|
| gptkbp:width |
half-inch
|
| gptkbp:bfsParent |
gptkb:IBM_729_tape_drive
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 727 tape drive
|