central pro-cessing unit

central processing unit

noun Computers.
Also called central processor.


Origin:
1965–70

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World English Dictionary
central processing unit
 
n
CPU the part of a computer that performs logical and arithmetical operations on the data as specified in the instructions

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

central processing unit
attested from 1961.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
central processing unit  
The part of a computer that interprets and carries out instructions provided by the software. It tests and manipulates data, and transfers information to and from other components, such as the working memory, disk drive, monitor, and keyboard. The central processing units of personal computers are generally implemented on a single chip, called a microprocessor.
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