CAPTCHA

== English == === Alternative forms === captcha, Captcha === Etymology === Coined by a team of researchers at Carnegie Mellon University in 2000 as a loose acronym of “completely automated public Turing test to tell computers and humans apart”. === Pronunciation === IPA(key): /ˈkæp.t͡ʃə/ === Noun === CAPTCHA (plural CAPTCHAs) (computing, Internet) A computerized test requiring the human user to perform a task deemed to be difficult to automate, such as entering a displayed series of distorted characters or describing images, to demonstrate that they are a human and not a computer program. ==== Derived terms ==== ==== Translations ==== === See also === Turing test === Further reading === CAPTCHA on Wikipedia.Wikipedia == Dutch == === Etymology === Borrowed from English. === Noun === CAPTCHA m (plural CAPTCHA's, no diminutive) alternative letter-case form of captcha