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单词 parity check
释义

WordReference Random House Unabridged Dictionary of American English © 2024
par′ity check′, [Computers.]
  1. Computing, Chemistrya method for detecting errors in data communications or within a computer system by counting the number of ones or zeros per byte or per word, including a special check bit (par′ity bit′,) to see if the value is even or odd. Also called odd-even check, redundant check. 
  • 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::
parity check n
  1. a check made of computer data to ensure that the total number of bits of value 1 (or 0) in each unit of information remains odd or even after transfer between a peripheral device and the memory or vice versa
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更新时间：2024/9/21 0:25:13