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  2. Online and offline - Wikipedia

    en.wikipedia.org/wiki/Online_and_offline

    In computer technology and telecommunications, online indicates a state of connectivity and offline indicates a disconnected state. In modern terminology, this usually refers to an Internet connection, but (especially when expressed "on line" or "on the line") could refer to any piece of equipment or functional unit that is connected to a ...

  3. Online shopping - Wikipedia

    en.wikipedia.org/wiki/Online_shopping

    Online shopping is a form of electronic commerce which allows consumers to directly buy goods or services from a seller over the Internet using a web browser or a mobile app. Consumers find a product of interest by visiting the website of the retailer directly or by searching among alternative vendors using a shopping search engine, which ...

  4. Linear regression - Wikipedia

    en.wikipedia.org/wiki/Linear_regression

    e. In statistics, linear regression is a statistical model which estimates the linear relationship between a scalar response and one or more explanatory variables (also known as dependent and independent variables ). The case of one explanatory variable is called simple linear regression; for more than one, the process is called multiple linear ...

  5. Extremely online - Wikipedia

    en.wikipedia.org/wiki/Extremely_online

    Extremely online. Extremely online (often capitalized [1] ), also terminally online [2] or chronically online, [3] is a phrase referring to someone closely engaged with Internet culture. [1] People said to be extremely online often believe that online posts are very important. [4] [5] Events and phenomena can themselves be extremely online; [4 ...

  6. Massive open online course - Wikipedia

    en.wikipedia.org/wiki/Massive_open_online_course

    A massive open online course ( MOOC / muːk /) or an open online course is an online course aimed at unlimited participation and open access via the Web. [1] In addition to traditional course materials, such as filmed lectures, readings, and problem sets, many MOOCs provide interactive courses with user forums or social media discussions to ...

  7. Linear algebra - Wikipedia

    en.wikipedia.org/wiki/Linear_algebra

    The blue line is the common solution to two of these equations. Linear algebra is the branch of mathematics concerning linear equations such as: linear maps such as: and their representations in vector spaces and through matrices. [1] [2] [3] Linear algebra is central to almost all areas of mathematics.

  8. Online game - Wikipedia

    en.wikipedia.org/wiki/Online_game

    An online game is a video game that is either partially or primarily played through the Internet or any other computer network available. [1] Online games are ubiquitous on modern gaming platforms, including PCs, consoles and mobile devices, and span many genres, including first-person shooters, strategy games, and massively multiplayer online ...

  9. Online Etymology Dictionary - Wikipedia

    en.wikipedia.org/wiki/Online_Etymology_Dictionary

    The Online Etymology Dictionary or Etymonline, sometimes abbreviated as OED (not to be confused with the Oxford English Dictionary, which the site often cites), is a free online dictionary that describes the origins of English words, written and compiled by Douglas R. Harper. [1]