x86 memory segmentation refers to the implementation of memory segmentation on the x86 architecture. Certain portions of the memory may be addressed by a single index register without changing a 16-bit segment selector. In real mode or V86 mode, a segment is always 65,536 bytes in size (using 16-bit offsets). In protected mode, a segment can have variable length. Segments can overlap.
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Famous quotes containing the word memory:
“Why is it that we have enough memory to recollect the most minute circumstances of something that has happened to us, but not enough to remember how many times we have recounted them to the same person?”
—François, Duc De La Rochefoucauld (1613–1680)