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  2. International English Language Testing System - Wikipedia

    en.wikipedia.org/wiki/International_English...

    International English Language Testing System (IELTS / ˈ aɪ. ɛ l t s /) [6] is an international standardized test of English language proficiency for non-native English language speakers. It is jointly managed by the British Council, IDP and Cambridge English, [6] and was established in 1989. IELTS is one of the major English-language tests ...

  3. Problem solving - Wikipedia

    en.wikipedia.org/wiki/Problem_solving

    e. Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business and technical fields. The former is an example of simple problem solving (SPS) addressing one issue ...

  4. Problematic smartphone use - Wikipedia

    en.wikipedia.org/wiki/Problematic_smartphone_use

    Problematic smartphone use is psychological or behavioral dependence on cell phones. It is closely related to other forms of digital media overuse such as social media addiction or internet addiction disorder . Commonly known as " smartphone addiction ", the term "problematic smartphone use" was proposed by researchers to describe similar ...

  5. Test of English as a Foreign Language - Wikipedia

    en.wikipedia.org/wiki/Test_of_English_as_a...

    In 1962, a national council made up of representatives of thirty government and private organizations was formed to address the problem of ensuring English language proficiency for non-native speakers wishing to study at U.S. universities. This council recommended the development and administration of the TOEFL exam for the 1963–1965 timings. [7]

  6. Eight queens puzzle - Wikipedia

    en.wikipedia.org/wiki/Eight_queens_puzzle

    Eight queens puzzle. The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal. There are 92 solutions. The problem was first posed in the mid-19th century.

  7. Traffic congestion - Wikipedia

    en.wikipedia.org/wiki/Traffic_congestion

    Traffic congestion. A traffic jam in Istanbul, and an opportunity for two simit vendors to sell food to drivers. Traffic congestion is a condition in transport that is characterized by slower speeds, longer trip times, and increased vehicular queueing. Traffic congestion on urban road networks has increased substantially since the 1950s. [ 1]

  8. Standardized test - Wikipedia

    en.wikipedia.org/wiki/Standardized_test

    Standardized tests are designed in such a way that the questions and interpretations are consistent and are administered and scored in a predetermined, standard manner. [ 1] Any test in which the same test is given in the same manner to all test takers, and graded in the same manner for everyone, is a standardized test.

  9. n-body problem - Wikipedia

    en.wikipedia.org/wiki/N-body_problem

    e. In physics, the n-body problem is the problem of predicting the individual motions of a group of celestial objects interacting with each other gravitationally. [ 1] Solving this problem has been motivated by the desire to understand the motions of the Sun, Moon, planets, and visible stars. In the 20th century, understanding the dynamics of ...

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