Tech Support provides Tutorial on Computer Science which covers about What is an Output Device? and Types of Output Devices also examples of output devices with Introduction to Computer Concept and Output Definition. An output device is any device used to send data from a computer to another device or user. Most computer data output that is meant for humans is in the form of audio or video. Thus, most output devices used by humans are in these categories. Examples include monitors, projectors, speakers, headphones and printers. Computer output devices get information out of the computer, delivering data that has been processed by the computer to you, the user.