bn:01619522n
Noun Named Entity
Categories: Computer vision, Internet forum terminology, Words and phrases introduced in 2003, Articles with short description, Turing tests
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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