单选题：For functionality, it is not necessary in the segmentation syste

For functionality, it is not necessary in the segmentation system that ___.@[D](1)
A. the size of logical segment is equal to the physical segment
B. both segment number and the offset are required for address mapping
C. the logical address space is independent of the physical address space
D. there must have TLB(Translation Lookaside Buffer)





A.the size of logical segment is equal to the physical segment
B.both segment number and the offset are required for address mapping
C.the logical address space is independent of the physical address space
D.there must have TLB(Translation Lookaside Buffer)


答案：D