User:Clipdude~enwiktionary/sandbox

I guess this is my sandbox.

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English

Etymology

Acronym for "completely automated public Turing test to tell computers and humans apart."

Noun

1. a system which uses publicly described algorithms to create a computer-generated item (such as an image or audio file) containing data thought to be easy for a human but difficult for a computer to read is sent over a network for the purpose of determining if a respondant is a human or a bot.
2. an item generated by such a system

External link

• Wikipedia article on captchas