central processing unit

noun

plural central processing units
: the component of a computer system that performs the system's basic operations (such as processing data), that exchanges data with the system's memory or peripherals, and that manages the system's other components : cpu

Examples of central processing unit in a Sentence

Recent Examples on the Web
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Under normal conditions, these signals go straight to the robot’s central processing unit. New Atlas, 8 Feb. 2026 Their servers pack standard DRAM for the central processing units that perform tasks such as scheduling work and moving data around the system. Eric Sullivan, Scientific American, 5 Feb. 2026 As part of the collaboration, CoreWeave will be among the first to deploy forthcoming Nvidia products, including storage systems and a new central processing unit, or CPU. Dina Bass, Bloomberg, 26 Jan. 2026 CoreWeave will be the first to deploy future Nvidia products, including storage systems and a new central processing unit, or CPU. Sofia Chierchio, Forbes.com, 26 Jan. 2026 See All Example Sentences for central processing unit

Word History

First Known Use

1956, in the meaning defined above

Time Traveler
The first known use of central processing unit was in 1956

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Cite this Entry

“Central processing unit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/central%20processing%20unit. Accessed 13 Feb. 2026.

Kids Definition

central processing unit

noun
: CPU

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