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Synonyms

CPU

American  

abbreviation

Computers.
  1. central processing unit: the key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions.


CPU British  

abbreviation

  1. central processing unit

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

CPU Scientific  
  1. Abbreviation of central processing unit


CPU Cultural  
  1. An abbreviation for c entral p rocessing u nit. The “brain” of a computer, the CPU is where data manipulation actually takes place. The results of these manipulations are then stored in the computer memory. Microprocessors perform this function in personal computers.


Etymology

Origin of CPU

First recorded in 1965–70

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.

That effort developed a chip called Graviton that handles traditional CPU needs, and Trainium for AI.

From The Wall Street Journal • May 17, 2026

The good news is that total server CPU shipments increased 19% in the first quarter of the year from the same period a year earlier, according to UBS.

From Barron's • May 14, 2026

The updated version, called JUQCS-50, can efficiently perform quantum calculations even when some of the data is transferred to CPU memory.

From Science Daily • May 11, 2026

He doesn’t see the same dynamic for the CPU market, where growing competition means companies have less pricing power.

From MarketWatch • May 11, 2026

“Not as much as I’d hoped. It’s pretty mangled, but I’ll print out what I got,” he says, petting CPU.

From "The Tenth Mistake of Hank Hooperman" by Gennifer Choldenko

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