Data entry device is a term used to describe any device that is used to input data into a computer system. The two most common data entry devices are the KEYBOARD and the computerminal. A KEYBOARD is an input device consisting of a set of keys that can be used to type characters, numbers, and symbols into a computer system. A computerminal is a combination of a computer and a terminal, which is a device used to access a remote computer system. Both the KEYBOARD and the computerminal are used to enter data into a computer system.