What is mean by captcha?

Let’s learn what is mean by captcha. The most accurate or helpful solution is served by dictionary.com.

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CAPTCHA | Define CAPTCHA at Dictionary.com

CAPTCHA definition, an online test designed so that humans but not computers are able to pass it, used as a security measure and usually involving a visual ...

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Other solutions

Answer:

Captchas are those warped, distorted passwords you have to type into the little box to validate your...

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Lightning at Yahoo! Answers Mark as irrelevant Undo

Answer:

When you are saying CAPTCHA signs that is a little confusing...CAPTCHA are only going to show up letter...

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community wiki at wiki.answers.com Mark as irrelevant Undo

Answer:

A CAPTCHA is a type of challenge-response test used in computing as an attempt to ensure that the response...

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little bomba at ChaCha Mark as irrelevant Undo

Google made me enter a captcha...?

I searched something up and it made me enter some captcha...? What does this mean? Is someone tracking my laptop??? Im scared!

Answer:

Maybe you need to log in google then that wont show up anymore.

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CSVIPEIURNKWYX6J4KF4SMLDXQ at Yahoo! Answers Mark as irrelevant Undo

Could the text used in Captcha be used to verify the OCR results of old text scanned by Google Books?

I was thinking, would it be possible for Captcha to sell the service to Google Books to help to ensure that the OCR for the Google books which have been scanned in are correct? (eg they usually have one easy word, and one hard one) This could mean that...

Answer:

I think this TED video discusses exactly what you are talking about.

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Daniel Mueller at Quora Mark as irrelevant Undo

What are some of the known defenses against crowdsourced CAPTCHA resolutions?

CAPTCHA bypass services like Death by Captcha provides an API that can be used to crowdsource the resolution of a given CAPTCHA image. They claim to be able to do resolve CAPTCHAs in under 15 seconds. Are there any known effective defenses against crowdsourced...

Answer:

Nomorecaptchas.com eliminates captcha completely and disables death by captcha obsolete.

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Jeff Martinez at Quora Mark as irrelevant Undo

Answer:

One question per text, thanks. The word "baleful" is defined as "threatening or foreshadowing...

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Clayton W. at ChaCha Mark as irrelevant Undo

What dose it meant if they send my hcg level to the lab? what dose that mean? i mean what is hcg.? what dose i?

What dose it meant if they send my hcg level to the lab? what dose that mean? i mean what is hcg.? what dose it mean if they told me i will get my results n two weeks i mean i had to stand on this montor hcg level thing. and it was 600 in something....

Answer:

'Dose' is a measured quantity of something, like a dose of medicine. 'Does' is the word you need. Not...

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Jill at Yahoo! Answers Mark as irrelevant Undo

What should I do so my CAPTCHA shows up on websites?

On every website I have been on this morning my CAPTCHA will not show up ,this has happened on yahoo and craigslist .What do I need to do to make the CAPTCHA show up its either blank or has a red X when I go to solve the CAPTCHA .

Answer:

That is probably due to a browser setting. In Firefox go to Tools-Options-Content Tab and select load...

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Aniyas Marley at Yahoo! Answers Mark as irrelevant Undo

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