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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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