Detailed Instructions: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Q: In a computer operating system that uses paging for virtual memory management , page replacement algorithms decide which memory pages to page out , sometimes called swap out , or write to disk , when a page of memory needs to be allocated .
A:
A Page replacement algorithm is an algorithm that decides which pages should be written to disk or file , when a new page needs to be allocated .