Scientific Data Systems Sigma 7

GPTKB entity

Statements (21)
Predicate Object
gptkbp:instanceOf mainframe computer
gptkbp:acquiredBy Xerox (via SDS acquisition)
gptkbp:architecture gptkb:Sigma_series
https://www.w3.org/2000/01/rdf-schema#label Scientific Data Systems Sigma 7
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