Scientific Data Systems Sigma 7
GPTKB entity
Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mainframe_computer
|
| gptkbp:acquiredBy |
Xerox (via SDS acquisition)
|
| gptkbp:architecture |
gptkb:Sigma_series
|
| gptkbp:input |
peripheral controllers
|
| gptkbp:instructionSet |
Sigma instruction set
|
| gptkbp:introduced |
1966
|
| gptkbp:length |
32 bits
|
| gptkbp:manufacturer |
gptkb:Scientific_Data_Systems
|
| gptkbp:marketedAs |
scientific computing
business computing |
| gptkbp:memory_addressing |
24-bit
|
| gptkbp:notableFor |
ARPANET first node
|
| gptkbp:operatingSystem |
SDS Sigma 7 Executive
SDS Sigma 7 Monitor |
| gptkbp:RAM |
256K words
|
| gptkbp:status |
discontinued
|
| gptkbp:successor |
SDS Sigma 9
|
| gptkbp:used_in |
gptkb:University_of_California,_Los_Angeles
|
| gptkbp:bfsParent |
gptkb:Xerox_Sigma_7_mainframe
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Scientific Data Systems Sigma 7
|