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Line 16: [[Engineering Research Associates]] (later merged into [[UNIVAC]]) designed a series of 24-bit [[drum memory]] machines including the Atlas, its commercial version the [[UNIVAC 1101]], the [[ATHENA computer]], the [[UNIVAC 1824]] guidance computer, etc. Those designers selected a 24-bit word length because the Earth is roughly 40 million feet in diameter, and an [[intercontinental ballistic missile]] guidance computer needs to do the [[Earth-centered inertial]] navigation calculations to an accuracy of a few feet.<ref>[http://vipclubmn.org/CP24bit.html "UNIVAC 24-bit computer genealogy"]</ref> == See also == *[[Catena (computing)\|Catena]], a unit of information consisting of 24 bits == References ==

24-bit computing: Difference between revisions