abcd

Front

when a page fault occurs

Back

this is because the page is not in memory

Front

When a page is selected by LRU for replacement

Back

this page must be sent to disk

Front

the principle of the working-set is that

Back

90% of page accesses fit in 10% of the memory

Front

When a page is selected by LRU for replacement

Back

this page must be invalidated in the page table

Front

In the memory labwork, the implementation of iru_select()

Back

looks for the page with the minimai access date

Front

When a page fault occurs, there will be a LRU selection only if memory is full.

Back

there will be a LRU selection only if memory is full