Question

A___________is a type of test used in computing to determine whether or not the user is human.
(a) CAPTCHA (b) DERTSA (c) HEPTCHA (d) NEPHCA

Answer 1

Its captcha,a type of test used in computing to determine whether or not the user is human.

Answer 2

"A CAPTCHA is a type of test used in some website to find the user is human or not.

So, the correct choice of answer from the given choices is option a).

A CAPTCHA is used when a developer wants all non-human users (i.e. bots) away from accessing his/her website/application.

It is generally a picture with text written on it such that it is unidentifiable even by OCR (Optical Character Recognition) techniques so that it can only be recognized by a human.

This distinguishes a human user from a bot.

For visually impaired people, audio CAPTCHA is also available."