多选题

知识点：操作系统 9/10（多选/必答） In the stack imp...

Question

知识点：操作系统 9/10（多选/必答）
In the stack implementation of the LRU (Least Recently Used) algorithm, a stack can be maintained in a manner:

A. whenever a page is used, it is removed from the stack and put on top

B. the bottom of the stack is the LRU page

C. the top of the stack contains the LRU page and all new pages are added to the top

D. None of the mentioned