Definition: The Central Processing Unit (CPU) is the electronic brain of all computers, from handheld computers through to very large systems. The CPU reads instructions from memory (both RAM and ROM), then executes those instructions at a speed of several hundred million instructions per second.
Glossary:
A B C D E F G H I J K L M N O P Q R S T U V W X Y ZAlso Known As: Central Processing Unit, Processor
Alternate Spellings: C.P.U.
Examples: My CPU gets very hot when I play video games, so I've fitted a new cooling fan.
