Discussion
Advantage of segmented addressing is :
Answer: B
The keyed advantage is that the size of a segment is variable.
Segmentation divides memory into logical blocks such as code, data and stack, each defined by a base address and a length. Unlike pages, which all have one fixed size, a segment can be made as large as the module it holds (in the 8086, any size up to 64 KB, since segments may overlap), which suits programs whose parts have different sizes and makes programs relocatable.
A fixed size is a property of paging, not segmentation. Pipelining and DMA are unrelated to how addresses are formed.
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