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Forums More Forums comp. Could anyone give me a brief idea about it? Reply Start a New Thread. Whatsamatta you? Haven't figured out how to use Google to look up answers to homework questions? Basically it sits between the CPU itself and external memory and translates virtual memory addresses produced by the CPU into physical memory addresses and raises an exception when there isn't a valid mapping for the requested operation and address.
All these features are necessary in more complex computers as they allow the flow of information to be smoother and without any problem. By using an MMU, you can also optimize the performance of your computer as it would off-load the said tasks from the microprocessor. But if you are dealing with a very simple computer that does not do multi-tasking and other related processes, using an MMU may not be the best thing to do. The primary consideration would be price and complexity as employing the more advanced MMU would be more costly and more complex.
If the main processor used is not fast enough, using an MMU may cause problems. An MMU is recommended if your system is large enough to benefit from its capabilities.
If you are building a relatively simply system, using an MMU is not advisable. An MPU would provide the necessary capabilities while keeping complexity and cost down. Cite APA 7 , l.
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