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.
Question: What Is a 'CAPTCHA' Test? Answer: A CAPTCHA is a short online typing test that is easy for humans to pass but difficult for robotic software programs. The purpose of a CAPTCHA is to discourage hackers and spammers from using auto-filling software programs at that web page.