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Controller vs Checker - What's the difference?

controller | checker |

As nouns the difference between controller and checker

is that controller is one who controls something while checker is one who checks something or checker can be a playing piece in the game of checkers (british: draughts) or checker can be the fruit of the wild service tree or chequer tree,.

As a verb checker is

to mark in a pattern of alternating light and dark spots, like a checkerboard.

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

    checker

    English

    Alternative forms

    * chequer

    Etymology 1

    Noun

    (en noun)
  • One who checks something.
  • The clerk who tallies cost of purchases and accepts payment.
  • ''There was a long line at the grocery store because the checker was so slow.

    Etymology 2

    Noun

    (en noun)
  • A playing piece in the game of checkers (British: draughts).
  • Derived terms
    * checkerboard

    Verb

    (en verb)
  • To mark in a pattern of alternating light and dark spots, like a checkerboard.
  • To develop markings in a pattern of alternating light and dark spots, like a checkerboard.
  • Etymology 3

    Alteration of (chequer)

    Noun

    (en noun)
  • The fruit of the wild service tree or chequer tree,
  • Usage notes
    * Almost always spelled chequer, because the tree itself is native to areas where that spelling is used, and is pretty much unknown in areas that use the other spelling.
    Derived terms
    * checkerberry

    Anagrams

    * ----