English Electric DEUCE

DEUCE
Also known asDigital Electronic Universal Computing Engine
ManufacturerEnglish Electric
Release date1955 (1955)
Discontinued1964 (1964)
Units shipped33
CPUthermionic valve-based
Memorymercury delay lines
384 32-bit words (Mark I and Mark II)
608 32-bit words (Mark IIA)
Storage8192-word magnetic drum
Display2 × CRTs
PredecessorPilot ACE

The DEUCE (Digital Electronic Universal Computing Engine) was one of the earliest British commercially available computers, built by English Electric from 1955. It was the production version of the Pilot ACE, itself a cut-down version of Alan Turing's ACE.