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Although logical–physical distinction is mentioned, it remains unclear, what means "to address sequentially all of the available memory locations" in the context of a multitasking memory-protecting operating system. The address space of an application process unlikely may be contiguous for some technical reasons. Incnis Mrsi (talk) 08:44, 10 April 2012 (UTC)[reply]
segmented memory model
I renamed this section as "x86..." because other systems, for example burroughs and Multics function differently and don't have the problems cited. Peter Flass (talk) 17:02, 3 September 2013 (UTC)[reply]