Which device is not considered an input device?

A printer is not considered an input device because its primary function is to output data from a computer or other digital source onto a physical medium, such as paper. In contrast, input devices like scanners and webcams are designed to capture data and send it to a computer for processing. A scanner digitizes physical documents or images, while a webcam captures video and still images, both serving as means of providing information to the computer system. A stylus, similarly, is used for direct input on touch-sensitive screens, allowing users to interact with devices in a hands-on manner. Therefore, the distinct roles of these devices clarify why the printer stands out as an output device, rather than fulfilling the input function.