How big was ENIAC?
ENIAC, one of the first general-purpose electronic computers, weighed about 30 tons and used around 18,000 vacuum tubes.
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ENIAC, one of the first general-purpose electronic computers, weighed about 30 tons and used around 18,000 vacuum tubes.
Transistors replaced vacuum tubes, which were bulky, power-hungry, and burned out often, making electronics smaller, cheaper, and more reliable.