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  1. en.wikipedia.org › wiki › WikipediaWikipedia - Wikipedia

    Wikipedia [c] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki.Wikipedia is the largest and most-read reference work in history, [3] [4] and is consistently ranked among the ten most visited websites; as of July 2024, it was ranked fourth by Semrush, [5] and seventh by ...

  2. en.wikipedia.org › wiki › TransistorTransistor - Wikipedia

    A transistor is a semiconductor device used to amplify or switch electrical signals and power. It is one of the basic building blocks of modern electronics. [1] . It is composed of semiconductor material, usually with at least three terminals for connection to an electronic circuit.

  3. en.wikipedia.org › wiki › IP_CodeIP code - Wikipedia

    • Origin of The Letters IP
    • Ipx9k and IPX9
    • United States
    • See Also

    In the original IEC 60529 standard from year 1976, the letters IP are used without providing an explanation, and referred as "characteristic letters". In the next editions of the standard, from years 1989 and 1999 respectively, the IP is explained to denote "international protection" on both French and English pages. According to the Finnish nation...

    DIN 40050-9 extended the newer IEC 60529 rating system with an IP69K rating for high-pressure, high-temperature wash-down applications.Enclosures conforming with ISO 20653:2013 must be both dust-tight (IP6X) and able to withstand high-pressure and steam cleaning. The IPx9K standard was originally developed for road vehicles—especially those that ne...

    In the U.S., the National Electrical Manufacturers Association defines NEMA enclosure types in NEMA standard number 250. The following table outlines which IEC 60529 IP code each respective NEMA guideline meets. Ratings between the two standards are not directly equivalent: NEMA ratings also require additional product features and tests (such as fu...

  4. en.wikipedia.org › wiki › TaipeiTaipei - Wikipedia

    Taipei (/ˌtaɪˈpeɪ/ ⓘ; Chinese: 臺北; pinyin: Táiběi),[4] officially Taipei City,[I] is the capital[a] and a special municipality of Taiwan.[7][8] Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about 25 km (16 mi) southwest of the northern port city of Keelung. Most of the city ...

  5. en.wikipedia.org › wiki › ComputerComputer - Wikipedia

    Computer. A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations (computation). Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks.

  6. Dymaxion map of the world with the 30 largest countries and territories by area. This is a list of the world's countries and their dependencies by land, water, and total area, ranked by total area. The entries in this list include, but are not limited to, those in the ISO 3166-1 standard, which includes sovereign states and dependent territories.

  7. The following table lists the 20 distinct runs as the most-subscribed YouTube channel recorded since May 2006. Only runs lasting at least 24 hours are included.

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