Not at all: it is simply a graphic image just like any other that is displayed on your browser.
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.
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.
it doenst
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.
The CAPTCHA may not work because you may have typed it in wrong, or it may be a "faulty" CAPTCHA. If you're having trouble then try using a different browser, or reload the page.
That is called CAPTCHA which an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart". It is a type of challenge-response test to prove you are human and not a computer bot intended to spam a website. Requiring CAPTCHA cuts down on spam, links to porn sites, links to malware sites, etc.
Not If You Are Signed InSigned-in users do not have to enter a CAPTCHA when answering questions, but anonymous IP addresses do.
I am doing this captcha entry, and it requires minimum of 512kbps speed of Internet..........