CAPTCHA: CAPTCHA is the acronym of completely automated public Turing test to differentiate between computers and humans. CAPTCHA is a program that is used to display the images. Images contain a combination of characters and letters in a distorted order. The main purpose of CAPTCHA is to check that the input is entered only by humans and not by computer programs. It is also used for blocking a website in an effective manner. This is because it is complex to write a code to identify the distorted characters, while humans can easily identify them.

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Chapter 5, Problem 7PS

Program Plan Intro

CAPTCHA:

CAPTCHA is the acronym of completely automated public Turing test to differentiate between computers and humans.

CAPTCHA is a program that is used to display the images.

Images contain a combination of characters and letters in a distorted order.

The main purpose of CAPTCHA is to check that the input is entered only by humans and not by computer programs.

It is also used for blocking a website in an effective manner. This is because it is complex to write a code to identify the distorted characters, while humans can easily identify them.

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