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ENIAC First Programmable Computer Mainframe Geek Nerd Patent - Etsy | Computer geek gifts, Computer geek, Old computers
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Amazon.com: ENIAC First Programmable Computer Patent Print Art 1947, Technology Art, Information Theory, Data Science, Geek Nerd, QP385: Posters & Prints
King George Inter College, Chinhat, Lucknow - Evolution of Computers The bipolar transistor was invented in 1947. From 1955 onwards transistors replaced vacuum tubes in computer designs, giving rise to the "second
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