The term memory map has different meanings in different contexts It is the fastest and most flexible cache organization that uses an associative memory. This resource is typically a file that is physically present on disk, but can also be a device, shared memory object, or other resource that an operating system can reference through a file descriptor It implements demand paging because file contents are not immediately read from disk and initially use no physical ram at all. In computing, memory mapping may refer to A communication between cpu and peripheral device using the same instructions, and same bus, as between cpu and memory virtual memory, technique which gives an application program the impression that it has contiguous working memory, while in fact it is physically.
[1] it is accessed via the int 15h call, by setting the ax register to value e820 in hexadecimal It reports which memory address ranges are usable and which are reserved for use by the bios [1] the memory and registers of the i/o devices are mapped to (associated with) address values, so a memory address may refer to either a portion of physical ram or to memory and registers of the i/o device. In fact, much of the violence was occurring between people who were closely connected Young black men were shooting each other over drug deals gone bad In the majority of cases, the victims and the shooters knew each other
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