CAPTCHA

Ever wonder why so many websites ask you to enter squiggly, distorted pass codes? They are using captcha to verify your humanity. A captcha is an automated test that humans can pass, but computers can not. To learn more, read the definitions from Webopedia or Wikipedia. Or dive into Carnegie Mellon’s Captcha Project.


Cite This Page

Feldman, Barbara. "CAPTCHA." Surfnetkids. Feldman Publishing. 15 Feb. 2005. Web. 1 Aug. 2015. <http://www.surfnetkids.com/tech/667/captcha/ >.


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By . Originally published February 15, 2005. Last modified February 15, 2005.



Personal Digital Security: Protecting Yourself from Online Crime
Personal Digital Security: Protecting Yourself from Online Crime
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