9 янв 1951 г. - UNIVAC UNISERVO Tape Drive

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UNIVAC introduces the "UNISERVO" tape drive for the UNIVAC I computer. It was the first tape storage device for a commercial computer, and the relative low cost, portability and unlimited offline capacity of magnetic tape made it very popular. UNIVAC tapes were ½" wide, 0.0015" thick, up to 1,500' long, and made of phosphor-bronze with a metallic coating. Weighing about three pounds, each reel could hold 1,440,000 decimal digits and could be read at 100 inches/sec.

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