Most Webmail services display a goofy-looking code called a(n) CAPTCHA that you must type at the end of registration process.

Question

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CAPTCHA is a type of challenge-response test used in computing to determine whether the user is human. It is commonly used in web forms to prevent bots from submitting forms automatically, including during the registration process for webmail services.

Most Webmail Services Display a Goofy-Looking Code Called A(n) CAPTCHA