An input/output device at which data enters or leaves a computer system is?
An input/output device at which data enters or leaves a computer system is Terminal
Data terminal equipment (DTE) is an end instrument that converts user information into signals or reconverts received signals. These can also be called tail circuits. A DTE device communicates with the data circuit-terminating equipment (DCE). The DTE/DCE classification was introduced by IBM.
Data input-output device, usually made up of a monitor (display), keyboard, mouse, or touch screen. It is the point at which a user is connected to and communicate with a computer or a website through a network.