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GCSE Computer Science · key term
An automated computer program that carries out tasks, such as submitting website requests.
Used by AQA
Paper 2
Revise: Security Measures OverviewA CAPTCHA is a test designed to distinguish a human user from an automated program, or bot. Its name stands for Completely Automated Public Turing test to tell Computers and Humans Apart.
Distinguish the checks: passwords and biometrics authenticate a user, CAPTCHA checks for a human rather than a bot, and email confirmation checks access to an email account.
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