when the processor generates a memory reference and causes a page to be (8 pts)

Question

when the processor generates a memory reference and causes a page to be (8 pts) Memory Caching- LI & L2 and the Translation Lookaside Buffer (TLB) In Chapter 7.6.7 the book describes when a reference is made to both L1&L2; cache and to virtual memory 4. a The book states If the referenced word is not in the cache, then the block that contains the word is read into the cache from the main memory, and the referenced word is then taken from the cache." The cache referenced is the L1 & L2 cache and must be configured as one of the following cache modes to fit this description. Circle the correct answer. i Write Through Policy Write Back Policy Write Allocate iv. Write No-allocate

Explanation / Answer

Answer for this is "||"(WRITE BACK POLICY).

Write back policy saying that when data is refered from main memory to cache,if cache data updates then we need to update it back in main merory.

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