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  2. Challenge coin - Wikipedia

    en.wikipedia.org/wiki/Challenge_coin

    The front of a U.S. Marine Corps birthday ball medallion. Huguenot méreau used as a challenge coin during 17th century Protestant persecution in France. A challenge coin is a small coin or medallion, bearing an organization's insignia or emblem and carried by the organization's members. Traditionally, they might be given to prove membership ...

  3. Bent pin analysis - Wikipedia

    en.wikipedia.org/wiki/Bent_Pin_Analysis

    Bent pin analysis examines more common connector failure modes associated with connector contacts. These include loss of electrical conductivity along an intended path due to corrosion on mating surfaces of electrical contacts, wires that have broken away from the contacts, and physically damaged or bent contacts.

  4. One-time password - Wikipedia

    en.wikipedia.org/wiki/One-time_password

    One-time password. A one-time password ( OTP ), also known as a one-time PIN, one-time authorization code ( OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device. OTPs avoid several shortcomings that are associated with traditional (static) password-based ...

  5. Relation of Ideas - Wikipedia

    en.wikipedia.org/wiki/Relation_of_Ideas

    Relation of Ideas, in the Humean sense, is the type of knowledge that can be characterized as arising out of pure conceptual thought and logical operations (in contrast to a Matter of Fact ). For instance, in mathematics: 8 x 10 = 80. Or in Logic: All islands are surrounded by water (by definition). In Kantian philosophy, a relation is ...

  6. Linking pin model - Wikipedia

    en.wikipedia.org/wiki/Linking_pin_model

    Linking pin model. The linking pin model is an idea developed by Rensis Likert. It presents an organisation as a number of overlapping work units in which a member of a unit is the leader of another unit. In this scheme, the supervisor/manager has the dual task of maintaining unity and creating a sense of belonging within their supervised group ...

  7. Pin-up model - Wikipedia

    en.wikipedia.org/wiki/Pin-up_model

    A pin-up model is a model whose mass-produced pictures and photographs have wide appeal within the popular culture of a society. Pin-up models are usually glamour models, actresses, and fashion models whose pictures are intended for informal, aesthetic display, such as being pinned onto a wall. Beginning in the 1940s, pictures of pin-up girls ...

  8. Unique citizenship number - Wikipedia

    en.wikipedia.org/wiki/Unique_citizenship_number

    2 The products obtained are added 3 The resulting sum modulo 11 is the check digit. If the result is 10, the check digit becomes 0 Examples Calculation. The first female registered born on 2 January 1975 has number 75 (1975) 01 (January + 0) 02 (2nd) 001 (district has numbers, say, 0-50, and this is first female of this date) & check digit, i.e. 750102001 & check digit.

  9. Pink noise - Wikipedia

    en.wikipedia.org/wiki/Pink_noise

    Pink noise, noise, fractional noise or fractal noise is a signal or process with a frequency spectrum such that the power spectral density (power per frequency interval) is inversely proportional to the frequency of the signal. In pink noise, each octave interval (halving or doubling in frequency) carries an equal amount of noise energy.