When booking tickets online it is often necessary to type letters or digits from a distorted image. This is a test to ensure that the response is by a human rather than a computer. What is the name of this test?
CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart)
captcha completely automated public turing test to tell computers and humans apart
captcha completely automated public turing test to tell computers and humans apart
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CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart)