0 votes 0 votes IN write-back policies what does meant by the update in memory is supposed to happen when block in cache is evicted? CO and Architecture co-and-architecture cache-memory write-back self-doubt + – anonymous asked Sep 10, 2018 • retagged Aug 24, 2022 by Shubham Sharma 2 anonymous 237 views answer comment Share Follow See 1 comment See all 1 1 comment reply goxul commented Sep 10, 2018 reply Follow Share When a block is removed from the cache and another brought in (via replacement policies), that's when the contents of main memory are updated. 1 votes 1 votes Please log in or register to add a comment.