The Mark 1 computer is developed by Harvard graduate Howard H. Aiken at IBM in the early 1940s. Officially known as the Automatic Sequence Controlled Calculator (ASCC), the machine can add or subtract two numbers in three-tenths of a second, multiply them in four seconds, and divide them in ten seconds. The computer is 50 feet long, 8 feet tall, and weighs approximately 5 tons.
More Computer History
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