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Keyboard vs Undefined - What's the difference?

keyboard | undefined |

As a noun keyboard

is keyboard (electronic musical instrument with keys of a musical keyboard).

As an adjective undefined is

lacking a definition or value.

keyboard

English

Noun

(en noun)
  • A set of keys used to operate a typewriter, computer etc.
  • (music) A component of many instruments including the piano, organ, and harpsichord consisting of usually black and white keys that cause different tones to be produced when struck.
  • (music) A device with keys of a musical keyboard, used to control electronic sound-producing devices which may be built into or separate from the keyboard device.

    • Synonyms

    * (electronic musical device) electronic keyboard

    Derived terms

    * keyboard shortcut

    Related terms

    * key * keypad

    Verb

    (en verb)
  • To type on a computer keyboard.
    • Keyboarding is the part of this job I hate the most.

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined