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Controller vs Ruler - What's the difference?

controller | ruler | Related terms |

As nouns the difference between controller and ruler

is that controller is one who controls something while ruler is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.

controller

English

Noun

(en noun)
  • One who controls something.
  • * (rfdate) (Dryden)
  • The great controller of our fate / Deigned to be man, and lived in low estate.
  • (business) A person who audits, and manages the financial affairs of a company or government; a comptroller.
  • (computing) A mechanism that controls or regulates the operation of a machine, especially a peripheral device in a computer.
  • (nautical) An iron block, usually bolted to a ship's deck, for controlling the running out of a chain cable. The links of the cable tend to drop into hollows in the block, and thus hold fast until disengaged.
  • Synonyms

    * administrator * foreman * chief, head, head man * comptroller * overseer * organizer * superintendent * supervisor

    Derived terms

    * memory controller * microcontroller

    ruler

    English

    (ruler)

    Noun

    (en noun)
  • A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure.
  • A person who rules or governs; a person who exercises dominion or controlling power over others.
  • Usage notes

    In American English, the word "ruler" is often used specifically to refer to such a measuring device that is one foot (12 inches) long. Used in contrast with "yardstick" and "meter stick."

    Synonyms

    * (measuring instrument) rule.

    Hyponyms

    * duke * emperor * Highness * king * queen * grand duke * prince * princess * monarch * tyrant * See also