In which decade was the transistor invented?

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

Correct Answer: A. 1940s

On December 23, 1947, The first practically implemented device was a point-contact transistor invented in 1947 by 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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