Rare early personal computers worth $90,000 discovered in London
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Two of the world's first desktop computers, the Q1 model, have been discovered in a London house clearance. Only 3 are known to exist.
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The Q1 was revolutionary when launched in 1972 as the first fully integrated personal computer with a single chip processor.
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The Q1 paved the way for modern computers and predated the IBM 5100 portable computer and Apple 1.
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The Q1 retailed for the equivalent of $90,000 in today's money, targeting businesses.
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The discovered computers will be displayed at Kingston University's computer science department until February 17.