segmentation mechanism造句

VMware's products predate the segmentation mechanisms can protect and make invisible.
Protected mode on the 80386 can operate with paging either enabled or disabled; the segmentation mechanism is always active and generates virtual addresses that are then mapped by the paging mechanism if it is enabled.
The segmentation mechanism can also be effectively disabled by setting all segments to have a base address of 0 and size limit equal to the whole address space; this also requires a minimally-sized segment descriptor table of only four descriptors ( since the FS and GS segments need not be used ).
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