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  2. Psychological effects of Internet use - Wikipedia

    en.wikipedia.org/wiki/Psychological_effects_of...

    Assertions. American writer Nicholas Carr asserts that Internet use reduces the deep thinking that leads to true creativity. He also says that hyperlinks and overstimulation means that the brain must give most of its attention to short-term decisions. Carr also states that the vast availability of information on the World Wide Web overwhelms ...

  3. Cyclic redundancy check - Wikipedia

    en.wikipedia.org/wiki/Cyclic_redundancy_check

    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.

  4. Retransmission (data networks) - Wikipedia

    en.wikipedia.org/wiki/Retransmission_(data_networks)

    Retransmission (data networks) Retransmission, essentially identical with automatic repeat request (ARQ), is the resending of packets which have been either damaged or lost. Retransmission is one of the basic mechanisms used by protocols operating over a packet switched computer network to provide reliable communication (such as that provided ...

  5. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    An internetwork is the connection of multiple different types of computer networks to form a single computer network using higher-layer network protocols and connecting them together using routers. The Internet is the largest example of internetwork. It is a global system of interconnected governmental, academic, corporate, public, and private ...

  6. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    Low-density parity-check (LDPC) codes are a class of highly efficient linear block codes made from many single parity check (SPC) codes. They can provide performance very close to the channel capacity (the theoretical maximum) using an iterated soft-decision decoding approach, at linear time complexity in terms of their block length.

  7. Trial and error - Wikipedia

    en.wikipedia.org/wiki/Trial_and_error

    According to W.H. Thorpe, the term was devised by C. Lloyd Morgan (1852–1936) after trying out similar phrases "trial and failure" and "trial and practice". [3] Under Morgan's Canon , animal behaviour should be explained in the simplest possible way.

  8. Social network - Wikipedia

    en.wikipedia.org/wiki/Social_network

    A social network is a social structure made up of a set of social actors (such as individuals or organizations), sets of dyadic ties, and other social interactions between actors. The social network perspective provides a set of methods for analyzing the structure of whole social entities as well as a variety of theories explaining the patterns ...

  9. Off-by-one error - Wikipedia

    en.wikipedia.org/wiki/Off-by-one_error

    The precise problem definition must be carefully considered, as the setup for one situation may give the wrong answer for other situations. Fencepost errors come from counting things rather than the spaces between them, or vice versa, or by neglecting to consider whether one should count one or both ends of a row.