JF Ptak Science Books Quick Post
This is the floor plan for the ENIAC (Electronic Numerical Integrator And Computer, b. 1943-45) which was, basically, the world’s first operational, high-speed digital computer, and (about) marked the beginning of the next stage of technological revolution. What we see above is the floor plan for the computer-with-no-monitor—I know to most people working today with a computer that the idea of a “floor plan” for anything that is not in a dark place at NSA is not easily conceivable. The 30-ton, 18,000 tube, 125 KHz ENIAC’s space was about 1800 square feet, where it was able to add about 5000 numbers/second, which was vastly faster than anything else in existence. It operated with 70,000 resistors, 10,000 capacitors, 5 million hand-soldered joints and 6,000 manual switches. It was a magnificent achievement.
[Source: J.G. Brainerd & T.K. Sharpless. "The ENIAC." Article occupying pp 163-172 of the February 1948 issue of Electrical Engineering. ]
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