CAPTCHA Abbreviation

Looking for CAPTCHA abbreviation? We have got you covered in this guide. We have listed down different possible abbreviations of CAPTCHA in various groups like Information Technology.

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Popular abbreviations of CAPTCHA:

Searching for CAPTCHA abbreviation / CAPTCHA full form leads to different results in different categories. The below table illustrates the popular acronyms among them.

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What does CAPTCHA mean?

The full form of CAPTCHA is a Completely Automated Public Turing test to tell Computers and Humans Apart.

CAPTCHA is essentially a test employed in the computing paradigm with the sole purpose of determining if the user is a human or not.

CAPTCHA tests fall under the category of challenge-response tests, wherein a challenge probably in the form of a question is posed to the user. The correct response in the form of an answer given by the user is essential for the authentication of the user. If the user fails to provide the correct response to the posed challenge, their authentication fails and they may be denied access.

The most basic and early form of CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) tests includes text in form letters or numbers present in a distorted manner. 

The challenge posed to the user is to correctly analyze the text which is present in a distorted manner. Following a careful analysis, the user needs to submit their response correctly, by typing the text correctly and in the same sequence as presented in the distorted format of the same.

Advantages :

The major advantage of employing CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) tests is that it restricts the entry to different online platforms or websites to humans. 

This in turn ensures that these platforms and websites deny the entry of harmful bots and computer programs, used by spammers and hackers to steal valuable information.

Disadvantages :

The major disadvantage associated with the use of CAPTCHA is the issue of accessibility to different categories of disabled individuals.

As CAPTCHA tests primarily focus upon the user’s ability to correctly analyze visual data and respond correctly, it denies access to visually challenged individuals (i.e blind individuals, colorblind individuals).

Although some CAPTCHA tests aim to resolve the issue of accessibility to visually challenged individuals by including speech-based tests where the user listens to speech and responds accordingly. However, this method also poses accessibility issues to those individuals who fall under the category of deafblind.