CPU

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

Origin of CPU

First recorded in 1965–70
Also called central processor, microprocessor.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


British Dictionary definitions for cpu

CPU

abbreviation for
  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

Word Origin and History for cpu

by 1970, abbreviation of central processing unit.

Online Etymology Dictionary, © 2010 Douglas Harper

cpu in Science

CPU

  1. Abbreviation of central processing unit
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cpu in Culture

CPU

An abbreviation for central processing unit. 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.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.