Multiple choice:Assume that you are monitoring the rate at which the pointer in

Assume that you are monitoring the rate at which the pointer in the clock algorithm (which indicates the candidate page for replacement) moves. What can you say about the system if you notice the pointer is moving fast ?@[ A](1)
A. the program is accessing a large number of pages simultaneously
B. the operation finding candidate pages for replacement is efficient
C. the virtual memory system is extremely efficient
D. that indicates many of the resident pages are not being accessed




A.the program is accessing a large number of pages simultaneously
B.the operation finding candidate pages for replacement is efficient
C.the virtual memory system is extremely efficient
D.that indicates many of the resident pages are not being accessed


answer：A