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  2. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.

  3. From CAPTCHA to catastrophe: How fake verification ... - AOL

    www.aol.com/news/captcha-catastrophe-fake...

    Fake CAPTCHA scams are commonly spread through these types of sites, where users are tricked into clicking on malicious ads or links. Even if a site seems tempting, it’s important to be cautious.

  4. reCAPTCHA - Wikipedia

    en.wikipedia.org/wiki/ReCAPTCHA

    The reCAPTCHA program originated with Guatemalan computer scientist Luis von Ahn, [13] and was aided by a MacArthur Fellowship. An early CAPTCHA developer, he realized "he had unwittingly created a system that was frittering away, in ten-second increments, millions of hours of a most precious resource: human brain cycles". [14]

  5. Fix issues with AOL Mail image challenges - AOL Help

    help.aol.com/articles/what-should-i-do-if-i-get...

    AOL Mail uses many security measures to keep your account secure, one of which is CAPTCHA or image challenges when sending mail. These challenges exist to make it harder for hackers to access your accounts. The characters can't be read by a computer and must be entered manually, ensuring only a real person can pass the test. Why am I being ...

  6. Huh? We Never Would Have Guessed What 'CAPTCHA' Actually ...

    www.aol.com/lifestyle/huh-never-guessed-captcha...

    For premium support please call: 800-290-4726 more ways to reach us

  7. Turing test - Wikipedia

    en.wikipedia.org/wiki/Turing_test

    The Turing test does not directly test whether the computer behaves intelligently. It tests only whether the computer behaves like a human being. Since human behaviour and intelligent behaviour are not exactly the same thing, the test can fail to accurately measure intelligence in two ways:

  8. Computer monitor - Wikipedia

    en.wikipedia.org/wiki/Computer_monitor

    A flat-panel display (FPD) computer monitor A cathode-ray tube (CRT) computer monitor A computer monitor is an output device that displays information in pictorial or textual form. A discrete monitor comprises a visual display , support electronics, power supply, housing , electrical connectors , and external user controls.

  9. MediaWiki:Captchahelp-text - Wikipedia

    en.wikipedia.org/wiki/MediaWiki:Captchahelp-text

    A common counter-measure is to show the user an image of colored or distorted text, known as a CAPTCHA, and ask them to type the words shown. Since answering a CAPTCHA is a task that is hard to automate, it will allow most real humans to make their posts while stopping most spammers and other robotic attackers.