Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
vacuum tube
|
| gptkbp:category |
gptkb:personal_computer
vacuum tube technology |
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:developedBy |
gptkb:RCA
|
| https://www.w3.org/2000/01/rdf-schema#label |
Selectron tube
|
| gptkbp:introducedIn |
1946
|
| gptkbp:inventedBy |
gptkb:Jan_A._Rajchman
gptkb:Jan_Rajchman gptkb:Sidney_Darlington |
| gptkbp:notableFor |
gptkb:Princeton_IAS_machine
|
| gptkbp:numberOfLocations |
binary data
|
| gptkbp:principle |
electron beam manipulation
|
| gptkbp:relatedTo |
gptkb:Williams_tube
gptkb:magnetic-core_memory |
| gptkbp:replacedBy |
gptkb:Williams_tube
gptkb:magnetic-core_memory |
| gptkbp:status |
obsolete
|
| gptkbp:storage |
4096 bits
256 bits |
| gptkbp:technology |
random-access memory
|
| gptkbp:usedFor |
digital memory
|
| gptkbp:usedIn |
early computers
|
| gptkbp:bfsParent |
gptkb:Electrostatic_Storage_Tube_Memory
|
| gptkbp:bfsLayer |
7
|