The term "X" was coined in 2000 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford (all from Carnegie Mellon University). It is a contrived acronym for "completely automated public turing test to tell computers and humans apart".
What is X??
10 comments:
captcha
captcha as in the letters we have to write for cnfirming the security code etc..
Captcha
It is CAPTCHA
It is CAPTCHA
captcha
-ABHISHEK MAHIPAL
http://sattepesatta.wordpress.com
CAPTCHA
capcha
its CAPTCHA
CAPTCHA
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