What was as big as a building, weighed 300 tons and had less computing power than an old 386 computer? The largest computer ever built, that's what.
Each of the 27 computers that made up the system was a dual core 32 bit CPU made of 60,000 vacuum tubes 175,000 diodes, and 12,000 of those newfangled transistors. Memory: 256k of magnetic core RAM (invented for this project) clocking in every 6 microseconds. These things weighed 300 tons, consumed 3 megawatts of electrical power and ran a blistering 75,000 operations per second.
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