George IV, , PDP 8, ICL1902 & Hollerith Cards and then a teletype to the mainframe with a thing called BASIC using something called ASCII. Before that it was switches, assembler, APL and PL/1. Onto Exidy Sorcerer, the Atom, Electron and rocketed into BBC BASIC with its Models A/B and Acorn Archimedes, meeting Computer Concepts and ArtWorks. All could be taken apart physically and logically so never had the need for Apple II or later.
Acorn
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