Wordmark (computer hardware)
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In computer hardware, a word mark, record mark or flag is a bit in each memory location on some variable word length computers (e.g., IBM 1401, 1410, 1620) used to mark the end of a word.[1] Sometimes the actual bit used as a wordmark on a given machine is not called wordmark, but has a different name (e.g., flag on the IBM 1620, because on this machine it is multipurpose).[2]
The term word mark should not be confused with group mark - word mark or with record mark, which are distinct characters.
References
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- ↑ http://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP1620.html
