electronic equipment external to the circuit board that contains the CPU of a computer

A device which has the ability to accept outputted, inputted or other processed data.

a keyboard that is a data input device for computers; arrangement of keys is modelled after the typewriter keyboard

an electronic device that generates a digital representation of an image for data input to a computer

a device used with games or entertainment systems to provide input to a video game, typically to control an object or character in the game.

a device, typically having a USB interface, for accessing the data on a memory card such as a CompactFlash (CF), Secure Digital (SD) or MultiMediaCard (MMC).

A punched card reader or just card reader is a computer input device used to read executable computer programs, source code, and data from punched cards.