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IT Dictionary

Clear, practical definitions to understand network, security, systems and IT vocabulary.

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6matching definitions · 1,058 in the dictionary Clear filters
DEFINITION

CPU

A central processing unit executes program instructions and coordinates computation using processor cores and caches.

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DEFINITION

CPU Cache

A CPU cache is fast memory close to processor cores that stores frequently accessed instructions and data.

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DEFINITION

CPU Core

A CPU core is an execution unit within a processor that runs instructions independently of other cores.

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