A Brief History of Personal Computers
The electronic computer is a relatively modern invention; the first fully operable computer was developed about 50 years ago, at the end of World War II, by a team at the University of Pennsylvania's Moore School of Engineering. This team was headed by John Mauchly and J. Presper Eckert, who named the new machine ENIAC, for Electronic Numerical Integrator and Calculator. ENIAC was hardly a personal computer, occupying a large room and weighing about 33 tons. By today's standards, ENIAC was extremely slow, unreliable, and expensive to operate. In 1945, on the other hand, it was considered a marvel.
Over the next 30 years, computers became smaller, faster, and less expensive. However, most of these machines remained isolated in their own air-conditioned rooms, tended by specially trained personnel. By 1975, computers were in great demand at universities, government agencies, and large businesses, but relatively few people had ever come......
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