单选题：To apply the demand paging memory management, the CPU with power

To apply the demand paging memory management, the CPU with powerful MMU is a must. However, ____is NOT a necessity.@[B](1)
A. Interrupt
B. Present bit defined in the segment table entry
C. TLB
D. Page table





A.Interrupt
B.Present bit defined in the segment table entry
C.TLB
D.Page table


答案：B