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The control unit ( CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. A CU typically uses a binary decoder to convert coded instructions into timing and control signals that direct the operation of the other units (memory, arithmetic logic unit and input and output devices, etc.).
An electronic control unit ( ECU ), also known as an electronic control module ( ECM ), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle . Modern vehicles have many ECUs, and these can include some or all of the following: engine control module (ECM ...
A central processing unit ( CPU ), also called a central processor, main processor, or just processor, is the most important processor in a given computer. [ 1][ 2] Its electronic circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations. [ 3][ 4][ 5] This role contrasts ...
A transmission control unit ( TCU ), also known as a transmission control module ( TCM ), or a gearbox control unit ( GCU ), is a type of automotive ECU that is used to control electronic automatic transmissions. Similar systems are used in conjunction with various semi-automatic transmissions, purely for clutch automation and actuation.
Remote terminal unit. A remote terminal unit ( RTU) is a microprocessor -controlled electronic device that interfaces objects in the physical world to a distributed control system or SCADA (supervisory control and data acquisition) system by transmitting telemetry data to a master system, and by using messages from the master supervisory system ...
A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. It is generally a combined controller consisting of the engine control unit (ECU) and the transmission control unit (TCU). On some cars, such as many Chryslers, there are multiple computers: the PCM, the TCU, and the Body Control ...
Instruction register. In computing, the instruction register ( IR) or current instruction register ( CIR) is the part of a CPU 's control unit that holds the instruction currently being executed or decoded. [ 1] In simple processors, each instruction to be executed is loaded into the instruction register, which holds it while it is decoded ...
Remote control. In electronics, a remote control (also known as a remote or clicker[ 1]) is an electronic device used to operate another device from a distance, usually wirelessly. In consumer electronics, a remote control can be used to operate devices such as a television set, DVD player or other digital home media appliance.