CAPTCHA
From SI410
CAPTCHA is a nomenclature shorthand that refers to an assortment of automated systems used to distinguish between humans and computers. The concept was first created in 2000 by students and researchers at Carnegie Mellon University.[1]Cite error: Closing
</ref> missing for <ref> tagCite error: Closing </ref> missing for <ref> tag- ↑ Carnegie Mellon University. (2000–2010). The Official CAPTCHA Site. http://www.captcha.net/
