â¢ SALTATION (noun) The noun SALTATION has 5 senses: 1. (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface. 2. a mutation that drastically changes the phenotype of an organism or species. 3. an abrupt transition.
A CAPTCHA as you may well know is one of those annoying âType in the letters you see in the image aboveâ things you see on many website signup pages or comment sections. A CAPTCHA image is designed so that a human can read it without difficulty while a computer is unable to.
Answer Wiki. CAPTCHA is an acronym which stands for Completely Automated Public Turing Test to Tell Computers and Humans Apart.Most common form of CAPTCHA is an image of distorted letters. CAPTCHA Technology is based on Turing Test. Turing Test is used to test whether a Machine can think like humans.