A Captcha encoder generates tests that most humans can pass, in aim to prevent bot spam of any kind.
In other words, the captcha encoder develops test that computer programs fail to pass.
Encoder answers
The correct spelling is Captcha. You can get more information about Captcha's at the Wikipedia. Once on the website, type "Captcha" into the search field at the top of the page and press enter to bring up the information.
You may buy captcha from all kind of services or create one by yourself using some open source captcha. Check the link below for a list of open source captcha services.
WikiGuides do not have the captcha because of the nature of their work in the community.
A shaft encoder is also known as a rotary encoder. The shaft encoder converts an angular position of a shaft to a digital code.
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No, you do not have to enter a CAPTCHA when you ask a question.And when you answer a question?To answer a question, however, you have to enter the CAPTCHA if you are not signed in to the site.
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i have tried multy captcha but it wont work
You pay for a service that pays for people (cheap human resource) to pass the captcha tests. It is that simple.