Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to perform I/O is to perform an input or output operation. I/O devices are used by a human (or other system) to communicate with a computer. For instance, a keyboard or mouse is an input device for a computer, while monitors and printers are output devices.
Definition of steal. 1  1 : the act or an instance of stealing. 2  2 : a fraudulent or questionable political deal. 3  3 : bargain 2 it's a steal at that price.
noun Plural thieves A person who steals another person's property, especially by stealth and without using force or threat of violence. âthieves broke into a house on York Closeâ