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Definitions from the Web

Captcha

Description:

A CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) is a security measure used on websites to determine whether a user is a human or a computer. It typically involves displaying a distorted image or a puzzle that a human can easily solve, but is difficult for a computer to understand.

Part of Speech:

• Noun

Senses:

1. A security measure used to distinguish between humans and computers on websites.

Usages:

Popular Usage:

When creating an account on a website, you often have to complete a captcha to prove that you are not a robot.

Example Sentence: Before submitting the form, please solve the captcha by entering the characters you see in the image.

Related Products: For more information on captchas, check out Amazon's selection of captcha books.

Local Usage:

In certain regions, captchas are also used to prevent spam messages or unauthorized access to online services.

Example Sentence: The website implemented a new captcha system to ensure only legitimate users can access its services.

Related Products: Explore Amazon's spam protection software to enhance your online security.