About: DECSYSTEM-20

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The DECSYSTEM-20 was a 36-bit Digital Equipment Corporation PDP-10 mainframe computer running the TOPS-20 operating system (products introduced in 1977). PDP-10 computers running the TOPS-10 operating system were labeled DECsystem-10 as a way of differentiating them from the PDP-11. Later on, those systems running TOPS-20 (on the KL10 PDP-10 processors) were labeled DECSYSTEM-20 (the block capitals being the result of a lawsuit brought against DEC by Singer, which once made a computer called "The System Ten"). The DECSYSTEM-20 was sometimes called PDP-20, although this designation was never used by DEC.

Attributes	Values
rdf:type	Thing Information appliance yago:WikicatDECMainframeComputers yago:WikicatMainframeComputers yago:Artifact100021939 yago:Commodity103076708 yago:Computer103082979 yago:Device103183080 yago:DigitalComputer103196324 yago:Instrumentality103575240 yago:Machine103699975 yago:Mainframe103711711 yago:Merchandise103748886 yago:Object100002684 yago:PhysicalEntity100001930 device information appliance yago:Whole100003553 yago:WikicatProductsIntroducedIn1977
rdfs:label	DECSYSTEM-20 (en) DECSYSTEM-20 (fr)
rdfs:comment	The DECSYSTEM-20 was a 36-bit Digital Equipment Corporation PDP-10 mainframe computer running the TOPS-20 operating system (products introduced in 1977). PDP-10 computers running the TOPS-10 operating system were labeled DECsystem-10 as a way of differentiating them from the PDP-11. Later on, those systems running TOPS-20 (on the KL10 PDP-10 processors) were labeled DECSYSTEM-20 (the block capitals being the result of a lawsuit brought against DEC by Singer, which once made a computer called "The System Ten"). The DECSYSTEM-20 was sometimes called PDP-20, although this designation was never used by DEC. (en) Le DECSYSTEM-20 était un ordinateur DEC PDP-10 équipé du système d'exploitation propriétaire TOPS-20. Le DEC-20 était parfois appelé PDP-20, mais jamais par DEC. (fr)
foaf:name	DECSYSTEM-20 (en)
name	DECSYSTEM-20 (en)
foaf:depiction
dcterms:subject	Computer-related introductions in 1977 36-bit computers DEC mainframe computers
Wikipage page ID	23629 (xsd:integer)
Wikipage revision ID	1123086077 (xsd:integer)
Link from a Wikipage to another Wikipage	Computer-related introductions in 1977 Paul Allen 36-bit computers DEC mainframe computers Singer System 10 Emitter-coupled logic Programmed Data Processor Timesharing 36-bit PDP-10 PDP-11 Central processing unit Magnetic-core memory Mainframe computer TOPS-10 TOPS-20 Digital Equipment Corporation Operating system Singer Corporation Kiloword Living Computer Museum C. Gordon Bell Bit-slice
Link from a Wikipage to an external page	http://pdp10.nocrew.org/docs/ad-h391a-t1.pdf http://www.livingcomputermuseum.org/Online-Systems/Request-a-Login.aspx/ http://tenex.opost.com/fjcc72/ http://www.inwap.com/pdp10/models.txt http://www.columbia.edu/cu/computinghistory/cudec20.html http://www.columbia.edu/kermit/dec20.html https://web.archive.org/web/20140302093233/http:/www.36bit.org/dec/manual/ http://bitsavers.org/pdf/dec/_Books/Bell-ComputerEngineering.pdf
sameAs	DECSYSTEM-20 DECSYSTEM-20 DECSYSTEM-20 DECSYSTEM-20 DECSYSTEM-20 DECSYSTEM-20
dbp:wikiPageUsesTemplate	dbt:Authority_control dbt:Citation_needed dbt:ISBN dbt:Infobox_information_appliance dbt:Reflist dbt:Short_description dbt:Start_date_and_age dbt:DEC_hardware dbt:JargonFile
thumbnail	wiki-commons:Special:FilePath/DECSYSTEM-20_wordmark.svg?width=300
aka	PDP-20 (en)
caption	DECSYSTEM-20 KL-10 at the Living Computer Museum (en)
developer	Digital Equipment Corporation
family	Programmed Data Processor
logo	DECSYSTEM-20 wordmark.svg (en)
platform	DEC 36-bit (en)
related	PDP-10
type	Mainframe computer
has abstract	The DECSYSTEM-20 was a 36-bit Digital Equipment Corporation PDP-10 mainframe computer running the TOPS-20 operating system (products introduced in 1977). PDP-10 computers running the TOPS-10 operating system were labeled DECsystem-10 as a way of differentiating them from the PDP-11. Later on, those systems running TOPS-20 (on the KL10 PDP-10 processors) were labeled DECSYSTEM-20 (the block capitals being the result of a lawsuit brought against DEC by Singer, which once made a computer called "The System Ten"). The DECSYSTEM-20 was sometimes called PDP-20, although this designation was never used by DEC. (en) Le DECSYSTEM-20 était un ordinateur DEC PDP-10 équipé du système d'exploitation propriétaire TOPS-20. Le DEC-20 était parfois appelé PDP-20, mais jamais par DEC. (fr)
os	TOPS-20
gold:hypernym	Computer
prov:wasDerivedFrom	wikipedia-en:DECSYSTEM-20?oldid=1123086077&ns=0
page length (characters) of wiki page	7310 (xsd:nonNegativeInteger)
operating system	TOPS-20

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