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.
For example, if a runner on first base reached third base on a single, it counted as a steal. In 1887, Hugh Nicol set a still-standing Major League record with 138 stolen bases, many of which would not have counted under modern rules. Modern steal rules were fully implemented in 1898.