Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
magnetic tape data storage device
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:dataRate |
up to 112.5 kB/s
|
| gptkbp:encodes |
7-track
|
| gptkbp:height |
about 5 feet
|
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 729
|
| gptkbp:introduced |
1958
|
| gptkbp:length |
up to 2400 feet
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:marketedUntil |
mid-1960s
|
| gptkbp:maximumDepth |
about 2 feet
|
| gptkbp:mediaType |
magnetic tape
|
| gptkbp:notableFeature |
vacuum column tape handling
write protection ring variable speed operation |
| gptkbp:powerSource |
about 1 kW
|
| gptkbp:predecessor |
gptkb:IBM_727
|
| gptkbp:successor |
IBM 7330
|
| gptkbp:usedFor |
gptkb:IBM_1401
gptkb:IBM_7090 gptkb:IBM_704 data transfer data storage data backup |
| gptkbp:usedIn |
mainframe computers
|
| gptkbp:weight |
about 350 pounds
|
| gptkbp:width |
0.5 inch
about 2 feet |
| gptkbp:bfsParent |
gptkb:IBM_2400_Series
gptkb:IBM_2400_Series_Magnetic_Tape_Units gptkb:IBM_727 |
| gptkbp:bfsLayer |
7
|