Q. Consider the following statements regarding the CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart):
1.It helps websites check if the user is a real person, not an automated program.
2.It uses the algorithm sorting idea to tell humans from machines.
3.It guarantees 100% bot detection accuracy.
How many of the statements given above are correct?
Explanation –
Statement 1 is correct. CAPTCHA is specifically designed to distinguish between humans and bots. It achieves this by presenting tasks that are easy for humans but difficult for automated programs to solve, such as distorted text recognition or behavioral analysis.
Statements 2 and 3 are incorrect. CAPTCHA does not rely on algorithm sorting to differentiate humans from bots. Instead, it uses challenge-response tests based on tasks like image recognition, text interpretation, or behavioral analysis to identify bots. CAPTCHA is based on the Turing Test, which checks whether a machine can act like a human. CAPTCHA does not guarantee 100% accuracy in detecting bots. Advanced AI systems and CAPTCHA farms have made it possible for bots to bypass CAPTCHA tests with high success rates, raising concerns about its effectiveness.
Source: The Hindu
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