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Explain the difference between write through and write back
cache.
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Answer / me
Write Through. After writing in cache memory, main memory is
updated too inmediatly to mantain reliability
Write Back After writing in cache memory a flag bit called
dirty bit is set. When this value need to be replaced that
bit is check, if it is set then the value is taken to main
memory
| Is This Answer Correct ? | 46 Yes | 11 No |
Answer / hari patel
Write Through : Main and cash memory are updated simultaneously.
Write Back : First write cash memory find difference w.r.t
revious value and load difference in main memory.
| Is This Answer Correct ? | 10 Yes | 1 No |
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