File:Gimpy-r_CAPTCHA.jpg · Wikimedia Commons · See Wikimedia Commons
CAPTCHA
Sign in to saveAlso known as Completely Automated Public Turing test to tell Computers and Humans Apart, CAPTCHA (Challenge-response test)
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AI overview
A CAPTCHA is a test that asks you to prove you're human by completing a task a computer can't easily do, like reading distorted letters or identifying objects in images. Websites use CAPTCHAs to prevent automated programs from accessing accounts or abusing services.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Instance of
- access control
- Official website
- captcha.net
- Image
- Captcha.svg
Show 3 more facts
- Commons category
- Captcha
- inception
- 2000-01-01
- different from
- reCAPTCHA
Sources (2)
via Wikidata · CC0