CAPTCHA

captcha Captcha English thumb|right|A typical representation of a CAPTCHA Alternative forms en captcha Captcha Etymology en a team of researchers at Carnegie Mellon University 1 in 2000 as a loose acronym of “completely automated public Turing test to tell computers and humans apart”. Pronunciation en /ˈkæp.t͡ʃə/ Noun en 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. en 2011 Dafydd Stuttard; Marcus Pinto The Web Application Hacker's Handbook: Finding and Exploiting Security Flaws John Wiley & Sons 9781118175248 CAPTCHA puzzles are intended to be easy for a human to solve but difficult for a computer. Because of the monetary value to spammers of circumventing these controls, an arms race has occurred in which typical CAPTCHA puzzles have en 2014 Laura Fitton; Anum Hussain; Brittany Leaning Twitter For Dummies John Wiley & Sons 9781118960097 24 A CAPTCHA is a quick check to make sure that an actual person, rather than a computer program, is using the website. Web applications use CAPTCHA Derived terms en CRAPTCHA humorous, derogatory, vulgar Translations computerized test Amharic: am ካፕቻ Chinese: Mandarin: cmn 驗證碼 Dutch: nl captcha French: fr CAPTCHA m, fr Captcha m Galician: gl CAPTCHA German: de Captcha m n, rarely de CAPTCHA m n Hebrew: he קאפצ׳ה Korean: ko 캡차, ko 보안 문자 Polish: pl CAPTCHA f Russian: ru ка́пча Tamil: ta காப்ச்சா Thai: th แคปต์ชา Tigrinya: ti ካፕቻ Turkish: tr CAPTCHA See also en Turing test Further reading en acronyms eponyms en Internet Dutch Etymology Borrowed from English. Noun m -'s - nl captcha