What is the difference between MMU and MPU? - ProProfs Discuss
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What is the difference between MMU and MPU?

Asked by Vincent_staines, Last updated: May 24, 2020

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D. Peter

Apart from developing codes, I also spend some time in quality writing.

D. Peter, Software Developer, B.E (Bachelor of Engineering), Mexico

Answered Mar 17, 2020

MMU stands for memory management unit, and MPU stands for Memory Protection Unit. An MMU is thought to be a more advanced device than the MPU. An MMU can do the job of an MPU, and it can do many other intricate functions that are not present in MPU. These functions include cache control, bank switching, and bus arbitration, and these features are required in more mature computers, as they allow the influx of information to be smoother and issue free. With MMU, you can maximize the performance of your computer. If you are working with a simple computer that does not perform more sophisticated processes, using an MMU might not be a good idea. MMU is a high ticket item, and the fact that employing the more advanced unit can be more trouble than it’s worth. That being said, MPU’s do have certain advantages due to their simplicity.
 

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