{"id":21564,"date":"2025-07-08T12:12:04","date_gmt":"2025-07-08T16:12:04","guid":{"rendered":"https:\/\/carleton.ca\/scs\/?page_id=21564"},"modified":"2026-06-22T14:43:17","modified_gmt":"2026-06-22T18:43:17","slug":"vin72","status":"publish","type":"page","link":"https:\/\/carleton.ca\/scs\/vintage-computing\/item\/vin72\/","title":{"rendered":"Sinclair ZX-81"},"content":{"rendered":"\n
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\n Sinclair ZX-81\n <\/h1>\n \n \n <\/header>\n\n <\/div>\n\n <\/div>\n\n <\/div>\n<\/section>\n\n\n\n
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Vintage Computing Collection<\/a><\/div>\n<\/div>\n\n\n\n

Sinclair ZX-81 (Timex Sinclair 1000)<\/h2>\n\n\n\n

[Vin72]<\/p>\n\n\n\n

\"Timex<\/a><\/figure>\n\n\n\n

The Sinclair ZX-81, introduced in 1981, was a groundbreaking home computer celebrated for its ultra-affordable price, minimalist design with only four main chips, and a base of just 1 KB of RAM\u2014features that made personal computing accessible to millions. Its claim to fame was democratizing computer ownership: it sold over 1.5 million units worldwide, sparked a home computing boom, and inspired a generation of programmers and hobbyists by making programming and computing available to the general public through high street retailers rather than just mail order.<\/p>\n\n\n\n

The ZX-81 was especially significant in computing history for catalyzing the mass adoption of home computers in the UK and North America, including Canada, where it was sold as the Timex Sinclair 1000<\/a> one of the first widely available home computers in the Canadian market, manufactured by Timex Corporation in Dundee, Scotland. Its simplicity, affordability, and broad reach played a pivotal role in shaping the early home computing landscape and nurturing the software and hardware industries that followed.<\/p>\n\n\n\n