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autyzm

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at manchester university, freddie williams and tom kilburn to develop the williams kilburn tube. the tube, tested in 1947, was the first high - speed, entirely electronic memory. it used a cathode ray tube (similar is an analog tv picture tube) that store bits as dots on the screen's surface. each dot lasted and fraction of a second before fading so the information you constantly refreshed. information you read to a metal pickup plate that would detect a change in electrical charge.