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  1. en.wikipedia.org › wiki › ISO_3166-1ISO 3166-1 - Wikipedia

    ISO 3166-1 ( Codes for the representation of names of countries and their subdivisions – Part 1: Country codes) is a standard defining codes for the names of countries, dependent territories, and special areas of geographical interest. It is the first part of the ISO 3166 standard published by the International Organization for Standardization .

  2. Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.

  3. A map of Europe, with ISO 3166-1 alpha-2 codes in place of the full names of countries and other territories. 'Exceptional reservations' codes CQ, EU and UK are not shown. ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), to represent countries, dependent territories ...

  4. Current ISO 3166 country codes. The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted.

  5. en.wikipedia.org › wiki › ScratchcardScratchcard - Wikipedia

    • Technology
    • Gambling and Quizzes
    • Cards Hiding Confidential Information

    The scratchcard itself is made of paper-based card, or plastic, with hidden information such as PIN or HRN (Hidden Recharge Number) printed on it, covered by an opaque substance (usually latex). The original cards were covered with an environmentally unsafe solvent based coating. In the late 1980s, adhesive specialist Jerome Greenfield invented a s...

    Origins

    The original game tickets were produced using manual randomization techniques. In 1974 the American company Scientific Games Corporation led by scientist John Koza and retail promotions specialist Daniel Bower produced the first computer-generated instant lottery game. In 1987, Astro-Med, Inc. of West Warwick, Rhode Island, received the U.S. Patentfor the instant scratch-off lottery ticket, but the patent acknowledges that "instant-game tickets comprising a card having game-playing indicia im...

    Popularity

    Scratchcards are a very popular form of gambling due to their low cost, their distribution in many corner stores and gas stations, and the opportunity to win instantly, as opposed to waiting for a draw like many lotteries. There is a trend[citation needed]towards more expensive scratchcards (20–50 USD) that have prizes in the millions of dollars. However, many such "instant" tickets sold in the US, especially in Massachusetts and New York, do not pay top prizes "instantly," but rather over ma...

    Predictability

    In the 21st century there have been attempts to increase the odds on finding a prize-winning card based on statistics, by tracking the amount of prize money won and cards sold to calculate accurate current odds. There have been a number of instances where a series of cards are still available although all major prizes have been won. Some lotteries make this information available to all free of charge to help promote their games.Hypothetically, large early payouts may exceed ultimate sales bef...

    Scratchcards can also be used to distribute confidential information, without any element of chance. A common example is the phone card or recharge card sold for a price which provides specified phone call usage. The card itself, unlike a credit card, has no function in itself; it is simply a vehicle to inform the purchaser confidentially of the PI...

  6. en.wikipedia.org › wiki › IP_CodeIP code - Wikipedia

    The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures ...

  7. What links here Related changes Upload file Special pages Permanent link Page information Cite this page Get shortened URL Download QR code This is a list of all airline codes.The table lists the IATA airline designators, the ICAO airline designators and the airline call signs (telephony designator). ...

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