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  2. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.

  3. Six-bit character code - Wikipedia

    en.wikipedia.org/wiki/Six-bit_character_code

    A six-bit character code is a character encoding designed for use on computers with word lengths a multiple of 6. Six bits can only encode 64 distinct characters, so these codes generally include only the upper-case letters, the numerals, some punctuation characters, and sometimes control characters. The 7-track magnetic tape format was ...

  4. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  5. 64b/66b encoding - Wikipedia

    en.wikipedia.org/wiki/64b/66b_encoding

    The overhead of 64b/66b encoding is 2 coding bits for every 64 payload bits or 3.125%. This is a considerable improvement on the 25% overhead of the previously-used 8b/10b encoding scheme, which added 2 coding bits to every 8 payload bits. The overhead can be reduced further by doubling the payload size to produce the 128b/130b encoding used by ...

  6. 64-bit computing - Wikipedia

    en.wikipedia.org/wiki/64-bit_computing

    A 64-bit word can be expressed as a sequence of 16 hexadecimal digits. In computer architecture, 64-bit integers, memory addresses, or other data units [a] are those that are 64 bits wide. Also, 64-bit central processing units (CPU) and arithmetic logic units (ALU) are those that are based on processor registers, address buses, or data buses of ...

  7. Braille ASCII - Wikipedia

    en.wikipedia.org/wiki/Braille_ASCII

    Braille ASCII. Braille ASCII (or more formally The North American Braille ASCII Code, also known as SimBraille) is a subset of the ASCII character set which uses 64 of the printable ASCII characters to represent all possible dot combinations in six-dot braille. It was developed around 1969 and, despite originally being known as North American ...

  8. Comparison of audio coding formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_audio_coding...

    Download QR code; Wikidata item; Print/export Download as PDF; Printable version; Appearance. move to sidebar hide ... 64, 80, 96 kbit/s 16 bit 11.875 ms Yes Yes No No

  9. How do cicadas make their signature sound, so eerie and ... - AOL

    www.aol.com/news/cicadas-signature-sound-eerie...

    June 14, 2024 at 9:32 AM. WHEATON, Ill. (AP) — The most noticeable part of the cicada invasion blanketing the central United States is the sound — an eerie, amazingly loud song that gets in a ...