what is captcha ??

Question

why we use Captcha in our websites? what is its benefits?

Sanjay Singh · Answer

thanks friends for replying but how can a Captcha differentiate human and robot ? because if computer generate the captcha then computer can also fill the captcha..

Swati Deshmukh · Answer

Captcha is a code so that the bots do not fill the forms by any unauthorized access or information which needs to be done by an human .For more information you could check the following site for Captcha

Abhishek Jaiswal · Answer

hello sanjay! in most common and simple words captcha is- 'a computer program that is used in webs in order to check whether a interacting element to the web is a human being or any robotic element.' benefits of captcha are: - Differentiating between human and robotic elements - Security concerns - Authentication for more info u can visit official website of CAPTCHA. :)

Sanjay Singh · Answer

thanks swati

Sanjay Singh · Answer

thanks satyapriya nayak

Satyapriya Nayak · Answer

http://en.wikipedia.org/wiki/CAPTCHA http://www.captcha.net/