Re: CAPTCHA
- From: "Dave Carlson" <dgcarlson@xxxxxxxxxxxxx>
- To: <jfw@xxxxxxxxxxxxx>
- Date: Mon, 29 Mar 2010 11:29:09 -0700
Adrian,
Interesting. I wondered where it came from. However according to the acronym
given:
"Completely Automated Public Turing Test to tell Computers and Humans
Apart."
...the spelling should actually be C A P T T C H A -- two T's. Perhaps the
formal definition should not be capitalizing the word "Test"?
Dave
.
----- Original Message -----
From: "Adrian Spratt" <Adrian@xxxxxxxxxxxxxxxx>
To: <jfw@xxxxxxxxxxxxx>
Sent: Monday, March 29, 2010 11:19
Subject: CAPTCHA
Recently, there was a brief exchange on this list about the term and
spelling of "CAPTCHA." I'm currently reviewing proposed accessibility
regulations by the federal government. I'm not sure that this complex
organization should be deemed the arbiter of correct usage, but I do think
they try to get it right. So below is the spelling they use and the
definition they propose for purposes of the regulation.
CAPTCHA. "Completely Automated Public Turing Test to tell Computers and
Humans Apart." A Turing test is any system of tests designed to
differentiate a human from a computer. CAPTCHA tests often involve asking
the user to type in text that is presented in an obscured image or audio
file.
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