how silicon-based semiconductors revolutionized computing?
(See answer below)
The original germanium based transistors had high leakage current compared to silicon based semiconductors, and were prone to shorts.
Per Wiki reference below
"Ge has four major shortcomings compared to silicon and gallium arsenide:
Its maximum temperature is limited;
it has relatively high leakage current;
it cannot withstand high voltages;
it is less suitable for fabricating integrated ...
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