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  2. PNG - Wikipedia

    en.wikipedia.org/wiki/PNG

    PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF)—unofficially, the initials PNG stood for the recursive acronym "PNG's not GIF". [ 6 ] PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without an alpha channel for transparency), and ...

  3. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    ISO 3166-1 alpha-2 – two-letter country codes which are also used to create the ISO 3166-2 country subdivision codes and the Internet country code top-level domains. ISO 3166-1 alpha-3 – three-letter country codes which may allow a better visual association between the codes and the country names than the 3166-1 alpha-2 codes.

  4. Comparison of alphabetic country codes - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_alphabetic...

    This is a comparison of the IOC, FIFA, and ISO 3166-1 three-letter codes, combined into one table for easy reference. Highlighted rows indicate those entries in which the three-letter codes differ from column to column.

  5. Image file format - Wikipedia

    en.wikipedia.org/wiki/Image_file_format

    The PNG (Portable Network Graphics) file format was created as a free, open-source alternative to GIF. The PNG file format supports 8-bit (256 colors) paletted images (with optional transparency for all palette colors) and 24-bit truecolor (16 million colors) or 48-bit truecolor with and without alpha channel – while GIF supports only 8-bit ...

  6. List of NATO country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_NATO_country_codes

    This is a list of heritage NATO country codes. Up to and including the seventh edition of STANAG 1059, these were two-letter codes (digrams). The eighth edition, promulgated 19 February 2004, and effective 1 April 2004, replaced all codes with new ones based on the ISO 3166-1 alpha-2 codes. Additional codes cover gaps in the ISO coverage, deal ...

  7. ISO 3166-1 alpha-2 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_alpha-2

    Country name: English short name officially used by the ISO 3166 Maintenance Agency (ISO 3166/MA) Year : Year when alpha-2 code was first officially assigned (1974, first edition of ISO 3166) ccTLD : Corresponding country code top-level domain (some are unassigned or inactive); exceptions where another ccTLD is assigned for the country are ...

  8. List of alternative country names - Wikipedia

    en.wikipedia.org/wiki/List_of_alternative...

    Most sovereign states have alternative names. Some countries have also undergone name changes for political or other reasons. This article attempts to give all known alternative names and initialisms for all nations, countries, and sovereign states, in English and any predominant or official languages of the country in question.

  9. ISO 3166-1 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1

    The list of names in Country and Region Codes for Statistical Use of the UN Statistics Division is based on the bulletin Country Names and other UN sources. Once a country name or territory name appears in either of these two sources, it will be added to ISO 3166-1 by default. The ISO 3166/MA may reserve code elements for other entities that do ...