variants or less commonly cpu
plural CPUs also cpus
: 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
The speed at which the central processing unit (CPU) runs, measured in megahertz, is a good indicator of a computer's power … Brad Hill
These [gaming] consoles require operating systems and CPUs that are different from desktop computers. finance.yahoo.com
often used before another noun
CPU speed/performance

called also central processing unit, processor

Examples of CPU in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The job posting is open now. CPU Circuit Design Engineer: $186,000-$263,000 a year Company: Intel Work type: Remote This position will work on full custom and memory circuits. Brayden Garcia, Fort Worth Star-Telegram, 27 Mar. 2025 For example, systems built on Grace Hopper deliver 7× higher throughput between CPU and GPU compared to standard architectures. Janakiram Msv, Forbes, 23 Mar. 2025 The first Ampere Altra CPU launched in 2020, with Oracle Cloud Infrastructure as its first customer. Matt Kimball, Forbes, 21 Mar. 2025 The kernel sends this request to the CPU, which then puts its current task on hold to process the packet. IEEE Spectrum, 17 Mar. 2025 See All Example Sentences for CPU

Word History

Etymology

central processing unit

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of CPU was in 1962

Browse Nearby Words

Cite this Entry

“CPU.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/CPU. Accessed 7 Apr. 2025.

Kids Definition

often capitalized C&P&U
: the part of a computer that does most of the data processing
Etymology

central processing unit

Last Updated: - Updated example sentences
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