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  2. Binary-coded decimal - Wikipedia

    en.wikipedia.org/wiki/Binary-coded_decimal

    In computing and electronic systems, binary-coded decimal (BCD) is a class of binary encodings of decimal numbers where each digit is represented by a fixed number of bits, usually four or eight.

  3. Genetic code - Wikipedia

    en.wikipedia.org/wiki/Genetic_code

    The genetic code is the set of rules used by living cells to translate information encoded within genetic material (DNA or RNA sequences of nucleotide triplets, or codons) into proteins. Translation is accomplished by the ribosome, which links proteinogenic amino acids in an order specified by messenger RNA (mRNA), using transfer RNA (tRNA) molecules to carry amino acids and to read the mRNA ...

  4. Gray code - Wikipedia

    en.wikipedia.org/wiki/Gray_code

    The counter itself must count in Gray code, or if the counter runs in binary then the output value from the counter must be reclocked after it has been converted to Gray code, because when a value is converted from binary to Gray code, [nb 1] it is possible that differences in the arrival times of the binary data bits into the binary-to-Gray ...

  5. Binary relation - Wikipedia

    en.wikipedia.org/wiki/Binary_relation

    Binary relation. In mathematics, a binary relation associates elements of one set called the domain with elements of another set called the codomain. [1] Precisely, a binary relation over sets and is a set of ordered pairs where is in and is in . [2]

  6. Braille - Wikipedia

    en.wikipedia.org/wiki/Braille

    Braille is named after its creator, Louis Braille, a Frenchman who lost his sight as a result of a childhood accident. In 1824, at the age of fifteen, he developed the braille code based on the French alphabet as an improvement on night writing. He published his system, which subsequently included musical notation, in 1829. [ 1 ] The second revision, published in 1837, was the first binary ...

  7. Non-binary gender - Wikipedia

    en.wikipedia.org/wiki/Non-binary_gender

    Non-binary[a] and genderqueer are umbrella terms for gender identities that are outside the male/female gender binary. [2][3] Non-binary identities often fall under the transgender umbrella since non-binary people typically identify with a gender that is different from the sex assigned to them at birth, [3] although some non-binary people do not consider themselves transgender. [4][5]

  8. List of ISO 639 language codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_639_language_codes

    List of ISO 639 language codes ISO 639 is a standardized nomenclature used to classify languages. [1] Each language is assigned a two-letter (set 1) and three-letter lowercase abbreviation (sets 2–5). [2] Part 1 of the standard, ISO 639-1 defines the two-letter codes, and Part 3 (2007), ISO 639-3, defines the three-letter codes, aiming to cover all known natural languages, largely ...

  9. Binary search - Wikipedia

    en.wikipedia.org/wiki/Binary_search

    In computer science, binary search, also known as half-interval search, [1] logarithmic search, [2] or binary chop, [3] is a search algorithm that finds the position of a target value within a sorted array. [4][5] Binary search compares the target value to the middle element of the array. If they are not equal, the half in which the target ...