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→Example computer architectures: yet more notable machines with 18-bit registers |
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Possibly the most well-known 18-bit computer architectures are the [[PDP-1]], [[PDP-4]], [[PDP-7]], [[PDP-9]] and [[PDP-15]] [[minicomputer]]s produced by [[Digital Equipment Corporation]] from 1960 to 1975. [[Digital Equipment Corporation|Digital's]] [[PDP-10]] used [[36-bit]] words but had 18-bit addresses.
The [[UNIVAC]] division of [[Remington Rand]] produced several 18-bit computers, including the 1963 [[UNIVAC 418]] and several military systems.
The [[IBM 7700 Data Acquisition System]] was announced by [[IBM]] on December 2, 1963.
The 1964 [[CDC 6000 series]] and successors [[CDC 7600]] and [[CDC Cyber#Cyber 70 and 170 series|CDC Cyber 70 and 170 series]] used [[60-bit]] words but had 18-bit addresses.
The [[BCL Molecular|BCL Molecular 18]] was a group of systems designed and manufactured in the UK in the 1970s and 1980s.
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==References==
{{reflist}}
== Further reading ==
* [http://research.microsoft.com/Users/gbell/Digital/timeline/18-bit.htm DIGITAL Computing Timelime: 18-bit architecture]
* [http://simh.trailing-edge.com/docs/architecture18b.pdf ''Architectural Evolution in DEC’s 18b Computers''], Bob Supnik, 2006.
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