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who created the second gen computer-John Bardeen (1908–1991), William B. Shockley (1910–1989), and Walter H.
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who created the third gen of computer- Jack Kilby and Robert Noyce
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who created the fourth gen computer- 1971
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who created the first gen computer-Japan's Ministry of International Trade and Industry
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who created the first computer- Charles Babbage created the first computer