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Question


The invention of
the transistor, or semiconductor, was one of the most important
developments leading to the personal computer revolution. What company
invented the transistor in 1947?



Options:
A .  International Business Machines
B .  MITS
C .  Xerox
D .  Bell Laboratories
Answer: Option D

The transistor, which essentially is a solid-state electronic switch,
replaced the much less suitable vacuum tube. Because the transistor
consumed significantly less power, a computer system built with
transistors was much smaller, faster and more efficient than a computer
system built with vacuum tubes.



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