title: Control unit (disambiguation)
text: # Control unit (disambiguation)
  
  A control unit (CU) is a central, sometimes distributed but clearly distinguishable, part of a mechanism that controls its operation, for example in a computer or a motor vehicle.
  
  Control unit may refer to:
  
  * Control unit, a component of a computer's central processing unit
  * Control unit, a special area of a prison that is used to keep prisoners in solitary confinement (also called a "segregation unit")
  * Another name for a Controller
  * Multipoint control unit, a device commonly used to bridge videoconferencing connections
  * Packet control unit, performs some of the processing tasks of a base station subsystem
  * Premises control unit, the "brain" of a burglar alarm
  * Telecommunication control unit, a device attached to a computer multiplexer channel which supports multiple terminals
  * Camera control unit, typically part of a live television broadcast "chain"
  * Electronic control unit, an embedded system that controls electrical systems in a motor vehicle
     * Engine control unit, an electronic control unit that controls a series of actuators on an internal combustion engine
     * Fuel control unit, a control system for gas turbine engines
     * Transmission control unit, a device that controls electronic automatic transmissions, and automated clutch systems, such as servos or actuators, in a clutchless manual or semi-automatic transmission
  * Control car (rail), a non-powered railroad vehicle that can control the operation of a train
  * Actuator control unit, a control unit for actuators used in the internet of things
  