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.
In basketball, a steal occurs when a defensive player legally causes a turnover by his positive, aggressive action. This can be done by deflecting and controlling, or by catching the opponents pass or dribble of an offensive player. The defender must not touch the offensive player's hands or otherwise a foul is called.