Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:personal_computer
|
| gptkbp:capacity |
20,000 digits
|
| gptkbp:function |
magnetic core memory
|
| gptkbp:interface |
IBM 1620 memory bus
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:memoryType |
magnetic core
|
| gptkbp:purpose |
expand memory of IBM 1620
|
| gptkbp:releaseYear |
1959
|
| gptkbp:technology |
ferrite core
|
| gptkbp:usedFor |
gptkb:IBM_1620
|
| gptkbp:bfsParent |
gptkb:IBM_1710
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 1623 Core Storage Unit
|