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What does MEI stand for?

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What does MEI stand for?

(a) modified embedded invalid

(b) modified embedded input

(c) modified exclusive invalid

(d) modified exclusive input

I have been asked this question during an interview.

Query is from Writing Scheme of Cache Memory in chapter Memory Systems of Embedded Systems

1 Answer

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The correct answer is (c) modified exclusive invalid

The best explanation: MEI protocol is less complex and is easy to implement. It does not allow shared state for the cache.

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