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  2. Morse code - Wikipedia

    The First Class license required 20 WPM code group and 25 WPM text code proficiency, the others 16 WPM code group test (five letter blocks sent as simulation of receiving encrypted text) and 20 WPM code text (plain language) test. It was also necessary to pass written tests on operating practice and electronics theory.

  3. Letter frequency - Wikipedia

    The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician Al-Kindi (c. 801–873 AD), who formally developed the method (the ciphers breakable by this technique go back at least to the Caesar cipher invented by Julius Caesar, so this method could have been explored in classical times).

  4. Wireless Markup Language - Wikipedia

    Wireless Markup Language (WML), based on XML, is a now-obsolete markup language intended for devices that implement the Wireless Application Protocol (WAP) specification, such as mobile phones.

  5. JSON - Wikipedia

    JSON became a strict subset of ECMAScript as of the language's 2019 revision. Data types. JSON's basic data types are: Number: a signed decimal number that may contain a fractional part and may use exponential E notation, but cannot include non-numbers such as NaN.

  6. OpenCL - Wikipedia

    OpenCL (Open Computing Language) is a framework for writing programs that execute across heterogeneous platforms consisting of central processing units (CPUs), graphics processing units (GPUs), digital signal processors (DSPs), field-programmable gate arrays (FPGAs) and other processors or hardware accelerators.

  7. Wiki - Wikipedia

    A wiki (/ ˈ w ɪ k i / WIK-ee) is a hypertext publication collaboratively edited and managed by its own audience, using a web browser.A typical wiki contains multiple pages for the subjects or scope of the project, and could be either open to the public or limited to use within an organization for maintaining its internal knowledge base.

  8. Microsoft Office 2007 - Wikipedia

    Improvements to text rendering to support text based graphics. Rendering of 3D graphics. Support for many more sound file formats such as .mp3 and .wma. Support for tables and enhanced support for table pasting from Excel. Slide Library, which lets you reuse any slide or presentation as a template.

  9. The Star-Spangled Banner - Wikipedia

    "The Star-Spangled Banner" is the national anthem of the United States. The lyrics come from the "Defence of Fort M'Henry", a poem written on September 14, 1814, by 35-year-old lawyer and amateur poet Francis Scott Key after witnessing the bombardment of Fort McHenry by British ships of the Royal Navy in Outer Baltimore Harbor in the Patapsco River during the Battle of Baltimore in the War of ...