Gray code

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Gray code

n
(Computer Science) a modification of a number system, esp a binary code, in which any adjacent pair of numbers, in counting order, differ in their digits at one position only, the absolute difference being the value 1
[named after Frank Gray, 20th-century American physicist]
References in periodicals archive ?
When changing from a binary to gray coding, the number of latches or flip-flops will increase and the intermediate logic will change, so again it becomes much more difficult for conventional equivalence checkers to correlate the designs.