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The Sinclair ZX81, released in 1981, stands as one of Sir Clive Sinclair's notable achievements in the early 1980s. This pioneering home computer revolutionized the tech landscape with its compact design, affordability, and user-friendly interface. The ZX81 democratized personal computing, making it accessible to hobbyists and enthusiasts alike, thereby igniting a wave of innovation and shaping the future of home computing.