• A prefix code is a type of code system distinguished by its possession of the prefix property, which requires that there is no whole code word in the...
    11 KB (1,516 words) - 12:06, 12 May 2025
  • This is a list of country codes used by GS1. Not to be confused with target-market-country-code. Source: GS1 Company Prefix Note GS1 member companies...
    8 KB (120 words) - 08:41, 1 June 2025
  • most known algorithm for deriving prefix codes. Prefix codes are widely referred to as "Huffman codes" even when the code was not produced by a Huffman algorithm...
    15 KB (1,935 words) - 11:32, 6 July 2025
  • standard prefix listed in the preceding section. 00xx, where xx is a two-digit carrier selection code: Australia, alongside the standard prefix 0011 for...
    10 KB (1,080 words) - 07:07, 23 April 2025
  • Thumbnail for Huffman coding
    Huffman code is a particular type of optimal prefix code that is commonly used for lossless data compression. The process of finding or using such a code is...
    36 KB (4,569 words) - 16:10, 24 June 2025
  • Variable-length codes can be strictly nested in order of decreasing generality as non-singular codes, uniquely decodable codes, and prefix codes. Prefix codes are...
    9 KB (1,229 words) - 21:27, 14 February 2025
  • Country code: 52 International call prefix: 00 Trunk Prefix: none The telecommunication services of Mexico are provided by a telephone numbering plan...
    6 KB (77 words) - 21:45, 20 March 2025
  • country codes are telephone number prefixes for reaching subscribers in foreign countries or areas by international direct dialing (IDD). Country codes are...
    68 KB (1,906 words) - 04:59, 11 July 2025
  • international call prefix (international dial-out code, international direct dial code, IDD code) to be dialed before the country code. The term international...
    5 KB (609 words) - 22:03, 27 April 2025
  • Unified Code for Units of Measure (UCUM). The BIPM specifies twenty-four prefixes for the International System of Units (SI). The first uses of prefixes in...
    34 KB (4,102 words) - 13:15, 16 July 2025
  • Thumbnail for ICAO airport code
    Canada, many airports have ICAO codes that are simply copies of their three-letter IATA codes, with the geographical prefix added on (e.g., YEG and CYEG...
    37 KB (1,158 words) - 18:07, 18 July 2025
  • trunk prefix is not dialled; instead, an international trunk prefix (or "+") is typically required, followed by the destination's country code. This example...
    9 KB (618 words) - 18:07, 4 May 2025
  • symbol does not contain any code word as substring. Every self-synchronizing code is a prefix code, but not all prefix codes are self-synchronizing. Other...
    4 KB (434 words) - 00:00, 16 September 2024
  • aircraft registration identifiers. These prefixes are agreed upon internationally, and are a form of country code. A call sign can be any number of letters...
    16 KB (761 words) - 19:32, 16 March 2025
  • Thumbnail for List of dialling codes in the Republic of Ireland
    Country code: +353 International call prefix: 00 Trunk prefix: 0 This is a list of telephone dialling codes for the Republic of Ireland. Fixed-line telephone...
    13 KB (175 words) - 00:28, 9 March 2025
  • Kraft–McMillan inequality (category Coding theory)
    In coding theory, the Kraft–McMillan inequality gives a necessary and sufficient condition for the existence of a prefix code (in Leon G. Kraft's version)...
    15 KB (2,859 words) - 03:00, 21 July 2025
  • Country code: 64 International call prefix: 00 Trunk prefix: 0 New Zealand's telephone numbering plan divides the country into a large number of local...
    13 KB (60 words) - 06:29, 8 June 2025
  • Thumbnail for Telephone country code
    A telephone country code is a country-specific telephone number prefix for international direct dialing (IDD), a system for reaching telephone service...
    8 KB (913 words) - 00:21, 20 June 2025
  • compression, Shannon–Fano coding, named after Claude Shannon and Robert Fano, is one of two related techniques for constructing a prefix code based on a set of...
    19 KB (2,762 words) - 20:17, 15 July 2025
  • applications are defined in ISO 3166-1 alpha-2. Telephone country codes are telephone number prefixes for international direct dialing (IDD), a system for reaching...
    8 KB (937 words) - 15:46, 23 April 2025
  • Thumbnail for Universal code (data compression)
    In data compression, a universal code for integers is a prefix code that maps the positive integers onto binary codewords, with the additional property...
    7 KB (988 words) - 21:49, 11 June 2025
  • {1}{\frac {1}{4}}}\right\rceil +1=\mathbf {3} } code(D) is 111 Shannon–Fano–Elias coding produces a binary prefix code, allowing for direct decoding. Let bcode(x)...
    4 KB (862 words) - 00:54, 6 December 2024
  • 2015, but did actually fly to Sudan) IATA also issues an accounting or prefix code. This number is used on tickets as the first three characters of the...
    12 KB (1,517 words) - 17:18, 30 April 2025
  • telephone service. A toll-free number is identified by a dialing prefix similar to an area code. The specific service access varies by country. The features...
    48 KB (6,313 words) - 21:45, 19 July 2025
  • distinguish the use of a Q-code transmitted as a question from the same Q-code transmitted as a statement, operators either prefixed it with the military network...
    82 KB (2,876 words) - 16:44, 17 May 2025
  • Micro- (redirect from Micro (unit prefix))
    symbol for the SI prefix micro is a Greek lowercase mu (μ). For reasons stemming from its design, Unicode has two different character codes for the letter...
    8 KB (914 words) - 17:12, 4 May 2025
  • Thumbnail for International Article Number
    Product Code (UPC-A). EAN-13 includes a prefix that indicates either the country of registration or the type of product. For example, a prefix starting...
    21 KB (2,312 words) - 07:59, 6 June 2025
  • Descriptor (chemistry), a prefix placed before the systematic substance name for chemical compounds Prefix code, a type of code in coding theory Namespace identifier...
    2 KB (336 words) - 05:34, 20 June 2025
  • Thumbnail for Digital object identifier
    character string divided into two parts, a prefix and a suffix, separated by a slash. prefix/suffix The prefix identifies the registrant of the identifier...
    37 KB (4,242 words) - 02:10, 4 July 2025
  • Thumbnail for List of dialling codes in the United Kingdom
    retained as a prefix for direct-dialled calls. In the majority of areas, the area code still corresponds to the original STD letter code. When dialling...
    92 KB (2,297 words) - 08:46, 22 May 2025