What Does Memory Management Unit (MMU) Mean?

A computer’s memory management unit (MMU) is the physical hardware that handles its virtual memory and caching operations. The MMU is usually located within the computer’s central processing unit (CPU), but sometimes operates in a separate integrated chip (IC). All data request inputs are sent to the MMU, which in turn determines whether the data needs to be retrieved from RAM or ROM storage.

Techopedia Explains Memory Management Unit (MMU)

The memory management unit performs three major functions: