IBM 1401
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High Quality Content by WIKIPEDIA articles! The IBM 1401, the first member of the IBM 1400 series, was a variable wordlength decimal computer that was announced by IBM on October 5, 1959. It was withdrawn on February 8, 1971.Although it was most commonly used by small businesses, the IBM 1401 was also frequently used as an off-line peripheral controller in many installations of both large Scientific Computers and large Business Computers. In these installations the big computer (e.g., an IBM 7090) did all of its input-output on magnetic tapes and the 1401 was used to format input data from…mehr

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High Quality Content by WIKIPEDIA articles! The IBM 1401, the first member of the IBM 1400 series, was a variable wordlength decimal computer that was announced by IBM on October 5, 1959. It was withdrawn on February 8, 1971.Although it was most commonly used by small businesses, the IBM 1401 was also frequently used as an off-line peripheral controller in many installations of both large Scientific Computers and large Business Computers. In these installations the big computer (e.g., an IBM 7090) did all of its input-output on magnetic tapes and the 1401 was used to format input data from other peripherals (e.g., the punched card reader in the IBM 1402 card reader/punch) on the tapes and transfer output data from the tapes to other peripherals (e.g., the card punch in the IBM 1402 card reader/punch or the IBM 1403 lineprinter).