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  2. Serial sevens - Wikipedia

    en.wikipedia.org/wiki/Serial_sevens

    Serial sevens (or, more generally, the descending subtraction task; DST), where a patient counts down from one hundred by sevens, is a clinical test used to test cognition; for example, to help assess mental status after possible head injury, in suspected cases of dementia or to show sleep inertia. This well-known test, in active documented use ...

  3. Multiservice tactical brevity code - Wikipedia

    en.wikipedia.org/wiki/Multiservice_tactical...

    Multiservice tactical brevity code. March 2023 edition cover page of the Multi-Service Brevity Codes. Multiservice tactical brevity codes are codes used by various military forces. The codes' procedure words, a type of voice procedure, are designed to convey complex information with a few words.

  4. NATO phonetic alphabet - Wikipedia

    en.wikipedia.org/wiki/NATO_phonetic_alphabet

    This is an accepted version of this page This is the latest accepted revision, reviewed on 30 September 2024. Letter names for unambiguous communication Not to be confused with International Phonetic Alphabet. Alphabetic code words A lfa N ovember B ravo O scar C harlie P apa D elta Q uebec E cho R omeo F oxtrot S ierra G olf T ango H otel U niform I ndia V ictor J uliett W hiskey K ilo X ray ...

  5. Diehard tests - Wikipedia

    en.wikipedia.org/wiki/Diehard_tests

    The bitstream test counts the number of missing 20-letter (20-bit) words in a string of 2 21 overlapping 20-letter words. There are 2 20 possible 20-letter words. For a truly random string of 2 21 + 19 bits, the number of missing words j should be (very close to) normally distributed with mean 141,909 and sigma 428.

  6. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Replacement of ten-codes with the Clear Speech Procedure (Public Safety Department, Lakewood, Colorado, 1972) [26] Was (Ten-Code) Now (Procedure Word) 10-0 Use Caution 10-1 Unable to copy – change location 10-3 Stop transmitting 10-4 Roger 10-5 Relay 10-6 Busy 10-7 Out at... 10-8 Clear 10-9 Say again 10-12 Stand by 10-13 Weather report/road ...

  7. Shannon–Fano coding - Wikipedia

    en.wikipedia.org/wiki/Shannon–Fano_coding

    Shannon–Fano coding. In the field of data 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 symbols and their probabilities (estimated or measured). Shannon's method chooses a prefix code where a source symbol. i {\displaystyle i}

  8. Shackle code - Wikipedia

    en.wikipedia.org/wiki/Shackle_code

    Shackle code. A shackle code is a cryptographic system used in radio communications on the battle field by the US military, the Rhodesian Army, and the Canadian Army, among other English speaking militaries which might not distribute or require sophisticated one-time use pads. It is specialized for the transmission of numerals.

  9. Fountas and Pinnell reading levels - Wikipedia

    en.wikipedia.org/wiki/Fountas_and_Pinnell...

    Literacy. v. t. e. Fountas & Pinnell reading levels (commonly referred to as "Fountas & Pinnell") are a proprietary system of reading levels developed by Irene Fountas and Gay Su Pinnell and published by Heinemann to support their Levelled Literacy Interventions (LLI) series of student readers and teacher resource products. [1]