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ANSWER

captcha

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The answer CAPTCHA has 5 possible clue(s) in existing crosswords.

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The word CAPTCHA is VALID in some board games. Check CAPTCHA in word games in Scrabble, Words With Friends, see scores, anagrams etc.

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Definitions of captcha in various dictionaries:

CAPTCHA - A CAPTCHA (, an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart") is a type of challenge–response test used...

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Keep reading for additional results and analysis below.

Possible Crossword Clues
Challenge to prove you're human
Technology that I guess has outed me as a robot because I always get it wrong
Letters you see to be typed, for example S-K-I-P T-E-A
Modern screen test
Spell check?

Last Seen in these Crosswords & Puzzles
Jan 27 2019 The Washington Post
Feb 23 2018 New York Times
Oct 22 2017 New York Times
Apr 21 2016 The Guardian - Cryptic crossword
Aug 30 2013 Ink Well xwords

Possible Dictionary Clues
Alternative capitalization of CAPTCHA
a system that is used to make sure that a human being, not a machine, is using a computer. The person may be asked to type in a series of letters or numbers, or to complete a simple game. The word captcha is made up of the first letters of words in the phrase Completely Automated Public Turing test to tell Computers and Humans Apart:
A computer program or system intended to distinguish human from machine input, typically as a way of thwarting spam and automated extraction of data from websites.

Captcha description
A CAPTCHA (, an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart") is a type of challenge–response test used in computing to determine whether or not the user is human.The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford. The most common type of CAPTCHA (displayed as Version 1.0) was first invented in 1997 by two groups working in parallel. The first group consisted of Mark D. Lillibridge, Martin Abadi, Krishna Bharat, and Andrei Z. Broder; the second group consisted of Eran Reshef, Gili Raanan and Eilon Solan. This form of CAPTCHA requires that the user type the letters of a distorted image, sometimes with the addition of an obscured sequence of letters or digits that appears on the screen. Because the test is administered by a computer, in contrast to the standard Turing test that is administered by a human, a CAPTCHA is sometimes described as a reverse Turing test. * This user identification procedure has received many criticisms, especially from disabled people, but also from other people who feel that their everyday work is slowed down by distorted words that are difficult to read. It takes the average person approximately 10 seconds to solve a typical CAPTCHA.

Captcha description

A CAPTCHA (, an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart") is a type of challenge–response test used in computing to determine whether or not the user is human.The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford. The most common type of CAPTCHA (displayed as Version 1.0) was first invented in 1997 by two groups working in parallel. The first group consisted of Mark D. Lillibridge, Martin Abadi, Krishna Bharat, and Andrei Z. Broder; the second group consisted of Eran Reshef, Gili Raanan and Eilon Solan. This form of CAPTCHA requires that the user type the letters of a distorted image, sometimes with the addition of an obscured sequence of letters or digits that appears on the screen. Because the test is administered by a computer, in contrast to the standard Turing test that is administered by a human, a CAPTCHA is sometimes described as a reverse Turing test.
* This user identification procedure has received many criticisms, especially from disabled people, but also from other people who feel that their everyday work is slowed down by distorted words that are difficult to read. It takes the average person approximately 10 seconds to solve a typical CAPTCHA.

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