Definition of Gray code in English:

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Gray code


A numerical code used in computing in which consecutive integers are represented by binary numbers differing in only one digit.
Example sentences
  • The standard remedy is an alternative to the ordinary binary numbers called a Gray code, which replaces the cliffs with gentler slopes.
  • He popularized the application of Gray codes to puzzle solving.
  • Unusual number system bases and Gray codes are described in detail in two chapters.


Mid 20th century: named after Frank Gray (1887–1969), American physicist.

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