what is CAPTCHA ? Why it is used?
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Answered by
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hi dear....
Explanation:
☆CAPTCHA or Completely Automated Public Turing test to Tell Computers and Humans Apart is a technique to distinguish between humans and computers. CAPTCHA is mainly used as a security check to ensure only human users can pass through. Generally, computers or bots are not capable of solving a captcha.
☆The basic purpose of CAPTCHA is to distinguish between a machine and a human being. ... The step that makes you prove that you are a human is basically a CAPTCHA(Completely Automated Public Turing test to tell Computers and Humans Apart). Initially, a CAPTCHA consisted of image or audio for verification.
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