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Sci-Ed Fact: Data processing, using the punch-card method, began the United States around 1890, when equipment based on the pattern-weaving loom (programmed by Joseph-Marie Jacquard in France in 1801) was used in tabulating the United States census. Microprocessors, developed in 1971 by Intel, allowed personal computers to become available from 1975 on; the first was the Altair 8800 in kit form, in the United States.

(The N.Y. Pub. Library Science Desk Reference)
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