bn:01619522n
Noun Named Entity
Categories: Turing tests, 20th-century inventions, Computer vision, Words and phrases introduced in 2003, Internet forum terminology
EN
CAPTCHA  Capcha  Catchpa  MAPTCHA  Automated Turing test
EN
A CAPTCHA is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam. Wikipedia
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