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  2. Cyclic redundancy check - Wikipedia

    en.wikipedia.org/wiki/Cyclic_redundancy_check

    A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital data. [1][2] Blocks of data entering these systems get a short check value attached, based on the remainder of a polynomial division of their contents. On retrieval, the calculation is repeated ...

  3. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. [3] They are used by system processes that provide widely used types of network services.

  4. 5th Grade Teacher Eats Lunch with His Students in the ... - AOL

    www.aol.com/lifestyle/5th-grade-teacher-eats...

    Dan Shutes, an educator from Paw Paw, Michigan, eats lunch with his 5th grade class almost everyday. The tradition began a couple of years ago, and since then Shutes has shared more about why he ...

  5. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    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. See the ISO 3166 ...

  6. Nationwide opinion polling for the 2024 United States ...

    en.wikipedia.org/wiki/Nationwide_opinion_polling...

    2028 →. v. t. e. This is a list of nationwide public opinion polls that were conducted relating to the general election for the 2024 United States presidential election. The people named in the polls are declared candidates or have received media speculation about their possible candidacy.

  7. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    As of Unicode version 16.0, there are 155,063 characters with code points, covering 168 modern and historical scripts, as well as multiple symbol sets.This article includes the 1,062 characters in the Multilingual European Character Set 2 subset, and some additional related characters.

  8. ISO 3166-1 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1

    ISO 3166-1. 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 ...

  9. Quantum entanglement - Wikipedia

    en.wikipedia.org/wiki/Quantum_entanglement

    e. Quantum entanglement is the phenomenon of a group of particles being generated, interacting, or sharing spatial proximity in such a way that the quantum state of each particle of the group cannot be described independently of the state of the others, including when the particles are separated by a large distance.