Keyboard n. : The whole arrangement, or one range, of the keys of an organ, typewriter, etc.

Example:
What does it mean when no Keyboards work in the Keyboard port?

Taxonomy
keyboard, keys, characters, computer, keystroke, computer keyboards, cursor, keyboard layouts, modifier keys, software, the user, keyloggers, wireless keyboard, virtual keyboard, numeric, laptops, shift key, signal.

Defination from the web:
Keyboard. ... A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. ... While most keyboard keys produce letters, numbers or signs (characters), other keys or simultaneous key ...