Definition - What does Device mean?
A device is a unit of physical hardware or equipment that provides one or more computing functions within a computer system. It can provide input to the computer, accept output or both. A device can be any electronic element with some computing ability that supports the installation of firmware or third-party software.
Typical hardware includes a computer mouse, speakers, printer and microphone.
A device may also be referred to as an appliance, gadget or electronic tool.