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control unit

American  

noun

Computers.
  1. the part of a CPU that interprets the instructions in programs and directs the operation of the entire system.

  2. controller.


Etymology

Origin of control unit

First recorded in 1960–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Revenue in its software and control unit jumped 20%.

From The Wall Street Journal May 5, 2026

"The air traffic control unit where the problem appeared handles up to nearly 5,000 flights per day during the summer season," Kaperonis said.

From Barron's Jan. 13, 2026

A laser cutter was poised halfway through carving out a flight control unit.

From New York Times May 4, 2024

This configuration allows EPs to be tuned solely through adjustments to the control unit, allowing for ultrahigh sensitivity without the need for complex modifications to the sensor.

From Science Daily Apr. 5, 2024

Then I plug the control unit into the wall, right where it was plugged in on that Monday night.

From "Things Not Seen" by Andrew Clements

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