A device or component that receives information from a computer; the information a computer gives the user.

An output device or component is used to receive information from a computer and display or transmit it to the user. It can be a monitor, printer, or any other device that presents the information generated by the computer. In contrast, an input device is used to provide information to the computer for processing. An event refers to an occurrence or action that triggers a response from the computer system, while software refers to the programs and applications that run on a computer.