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microprocessor

 
 
/ˌmaɪkrəʊˈprəʊsesər/ US   /ˈmaɪkrəʊˌprɑːsesər/ noun [C]

Definition

IT a small part of a computer, containing the CPU (= the part of a computer that controls all the other parts): The first microprocessor built in 1971 had 2300 transistors.
(Definition of microprocessor noun from the Cambridge Business English Dictionary © Cambridge University Press)

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