1. Computers
... the job. This machine became known as ENIAC (Electrical Numerical Integrator and Calculator). ENIAC used 18,000 vacuum tubes, about 1,800 square feet of floor space, and consumed about 180,000 watts of electrical power. It had punched card I/O, 1 multiplier, 1 divider/square rooter, and 20 adders using decimal ring counters, which served as adders and also gave as quick - access (.0002 seconds ... ...
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