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Earlier discussion
1 older comment kept for context.
Oluwaseun Adeyemi
CPU (pronounced as separate letters) is the abbreviation for Central Processing Unit. Sometimes referred to simply as the central processor, but more commonly called processor, the CPU is the brains of the computer where most calculations take place.
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.