|Definition||:||Completely Automated Public Turing test to tell Computers and Humans Apart|
What does CAPTCHA mean?
CAPTCHA is a program that protects websites against bots by generating and grading tests that humans can pass but current computer programs cannot. For example, humans can read distorted text, but current computer programs can’t. CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart.