What is Psion Organiser?
[[File:Psion_Organiser_2.gif|thumb]] '''Psion Organiser''' was the [[brand]] name of two pocket computers developed by the British company Psion in the 1980s. The Organiser I (launched in 1984) and Organiser II (launched in 1986) had a hard plastic sliding cover protecting a 6×6 keypad unlike a computer keyboard, with letters arranged alphabetically. They competed with the [[Filofax]] and can be considered the first [[personal digital assistant]].<ref>{{Cite news|last=Bannister|first=Nicholas|date=1999-11-27|title=Passport to prosperity|language=en-GB|work=The Guardian|url=https://www.theguardian.com/business/1999/nov/27/1|access-date=2023-04-28|issn=0261-3077}}</ref> They had an electronic [[diary]] and searchable address [[database]] in a small, portable device. The Organiser I had an 8-bit Hitachi 6301-family [[processor]], running at 0.9 MHz, with 4 KB of [[read-only memory]] and 2 KB of static RAM and a one-row [[monochrome]] [[liquid crystal display]] screen. It weighed 225 grams. The Organiser II had its own Organiser [[Programming language|Programming Language]]. It was used by [[Marks & Spencer]], by [[Surveyor|surveyors]] who used it with electronic [[Theodolite|theodolites]] and by the [[Government of the United Kingdom|British government]] to do [[social security]] calculations. <ref>{{Cite web|title=Wall of Fame - Blackberry vs Psion|url=http://fwd.five.tv/videos/wall-of-fame-blackberry-vs-psion|archive-date=9 July 2012|access-date=28 April 2023|website=The gadget show|archive-url=https://archive.today/20120709173648/http://fwd.five.tv/videos/wall-of-fame-blackberry-vs-psion|url-status=dead}}</ref> == References == {{reflist}} [[Category:Personal digital assistants]]