The original digital computers of the 1940s and 1950s were gigantic room-sized monsters. The ENIAC built in 1945, for example, weighed 30 tons and contained more than 18,000 vacuum tubes drawing 200 ...
It was said to weigh 30 tons (that’s about 20,000 times the weight of the human brain and 65 concert-type Grand Pianos!) and needed 18,000 vacuum tubes to process data. ENIAC was the first ...
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