meaning of controller

1. One who, or that which, controls or restraines; one who has power or authority to regulate or control; one who governs.
2. An officer appointed to keep a counter register of accounts, or to examine, rectify, or verify accounts.
3. An iron block, usually bolted to a ships 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.
4. controller Part of a computer, typically a separate circuit board, which allows the computer to use certain kinds of peripheral devices. A disk controller is used to connect hard disks and floppy disks, a network controller is used for Ethernet. Other controllers are: keyboard controller, interrupt controller and graphics controller.
5. a mechanism that controls the operation of a machine; "the speed control on his turntable was not working properly"; "I turned the controls over to ">her"

Related Words

controller | controllership |

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