what is the primary input device on a computer?
CSCA0101 Computing Basics. 5. Input Devices. Keyboard. â¢ One of the primary input devices used with a. computer. â¢ The keyboard looks very similar to the keyboards of. electric typewriters, with some additional keys. â¢ Keyboards allow a computer user to input letters, numbers, and other symbols into a computer. â¢ Uses an arrangement of buttons or keys.