Captcha is a program that is used to verify that the person entering the data is a human or a computer.
You can easily see these captchas under any of the online forms. Which asks the user such questions in which they have to enter the text written in it after seeing a crooked zigzag image.
This is the text that can be either wavy in the image, or it can contain many lines, or it can be quite irregular, which is not possible in favor of any one automated program . To understand.
This is because some captchas are so distorted that it is very difficult to read them even in favor of a human being. At the same time, it is a relief here that most of the captchas allow the user to regenerate that image if they do not understand the text written in the image. In some, you may also get to see the auditory pronunciation feature .
By using these captcha responses, webmasters can easily keep away these automated programs, or ” bots ” that have the ability to fill online forms on their own.
At the same time, they provide protection from being spam in Website Forms . , While the Server will be protected from being down otherwise repeat request by sending these bots can easily down any server from.
While these captchas can definitely create some inconvenience for the users, they help a webmaster a lot with these automated programs.
This word ” captcha ” is generated from the word “capture” which captures human responses.
What is the full form of CAPTCHA?
CAPTCHA Full form “Completely Automated Public Turing test to tell Computers and Humans Apart.”