Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:data_storage_device
|
| gptkbp:alsoKnownAs |
gptkb:Williams_tube
|
| gptkbp:capacity |
up to a few kilobits
|
| gptkbp:countryOfOrigin |
gptkb:United_Kingdom
|
| gptkbp:introducedIn |
1946
|
| gptkbp:inventedBy |
gptkb:Tom_Kilburn
gptkb:Freddie_Williams |
| gptkbp:notableFor |
first practical form of random-access digital storage
|
| gptkbp:numberOfLocations |
binary data
|
| gptkbp:principle |
electrostatic charge on CRT phosphor
|
| gptkbp:readBy |
detecting secondary electron emission
|
| gptkbp:replacedBy |
magnetic core memory
|
| gptkbp:status |
obsolete
|
| gptkbp:storage |
gptkb:vacuum_tube
|
| gptkbp:technology |
gptkb:random-access_memory
|
| gptkbp:usedIn |
gptkb:Manchester_Baby
early computers |
| gptkbp:writeMethod |
electron beam modification of charge
|
| gptkbp:bfsParent |
gptkb:CRS
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cathode Ray Storage
|