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  1. In which decade was the transistor invented?

  2. A.
    1940s
    B.
    1950s
    C.
    1960s
    D.
    1980s

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    Answer : Option A

    Explanation :

    On December 23, 1947, William Shockley, Walter Brattain and John Bardeen, of Bell Labs, announced their discovery of the point-contact germanium transistor to management.


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