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  2. Pearson language tests - Wikipedia

    en.wikipedia.org/wiki/Pearson_Language_Tests

    The tests include the Pearson Test of English Academic (PTE Academic), the PTE General (formerly known as London Tests of English (LTE)), [1] and PTE Young Learners. These are scenario-based exams, accredited by the QCA and Ofqual, [ 2 ] and are administered in association with Edexcel .

  3. Natural language processing - Wikipedia

    en.wikipedia.org/wiki/Natural_language_processing

    Natural language processing (NLP) is a subfield of computer science and especially artificial intelligence.It is primarily concerned with providing computers with the ability to process data encoded in natural language and is thus closely related to information retrieval, knowledge representation and computational linguistics, a subfield of linguistics.

  4. Graduate Record Examinations - Wikipedia

    en.wikipedia.org/wiki/Graduate_Record_Examinations

    [52] [53] [54] The college made the decision after conducting a study showing that the GRE is a valid and reliable predictor of students' first-term law school grades. In the spring of 2017, Harvard Law School announced it was joining University of Arizona Law in accepting the GRE in addition to the LSAT from applicants to its three-year J.D ...

  5. Food loss and waste - Wikipedia

    en.wikipedia.org/wiki/Food_loss_and_waste

    In a study done by National Geographic in 2014, Elizabeth Royte indicated more than 30 percent of food in the United States, valued at $162 billion annually, is not eaten. [136] The University of Arizona conducted a study in 2004 that indicated that 14% to 15% of United States edible food is untouched or unopened, amounting to $43 billion worth ...

  6. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    Linux (/ ˈ l ɪ n ʊ k s /, LIN-uuks) [15] is a family of open-source Unix-like operating systems based on the Linux kernel, [16] an operating system kernel first released on September 17, 1991, by Linus Torvalds.

  7. Semiconductor device fabrication - Wikipedia

    en.wikipedia.org/wiki/Semiconductor_device...

    Initially thermal diffusion with furnaces at 900-1200°C with gases containing dopants were used for doping wafers [152] [153] [154] and there was resistance against ion implantation as it still required a separate furnace [155] but ion implantation ultimately prevailed in the 1970s [156] as it offers better reproducibility of results. [38]

  8. Tobacco smoking - Wikipedia

    en.wikipedia.org/wiki/Tobacco_smoking

    Tobacco smoking is the practice of burning tobacco and ingesting the resulting smoke. The smoke may be inhaled, as is done with cigarettes, or simply released from the mouth, as is generally done with pipes and cigars. The practice is believed to have begun as early as 5000–3000 BC in Mesoamerica and South America. [1]

  9. Boeing 747 - Wikipedia

    en.wikipedia.org/wiki/Boeing_747

    The Boeing 747 is a long-range wide-body airliner designed and manufactured by Boeing Commercial Airplanes in the United States between 1968 and 2023. After the introduction of the 707 in October 1958, Pan Am wanted a jet 2 + 1 ⁄ 2 times its size, to reduce its seat cost by 30%.

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