Question

what is CAPTCHA ? Why it is used?​

Answer 1

please mark me in Brainliest please

Answer 2

Answer:

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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