When using counters to implement LRU, we replace the page with the :
A. smallest time value
B. largest time value
C. greatest size
D. None of the mentioned
Answer:A
When using counters to implement LRU, we replace the page with the :
A. smallest time value B. largest time value C. greatest size D. None of the mentioned
Explanation: Whenever a reference to a page is made, the contents of the clock register are copied into the time-of-use field in the page-table entry for that page. In this way we always have the time of the last reference to each page.