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Что (кто) такое memory-mapped - определение
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Memory-mapped I/O
I/O METHOD BETWEEN THE CPU AND PERIPHERALS WHICH USES THE SAME ADDRESS SPACE TO ADDRESS BOTH MEMORY AND I/O DEVICES; THE MEMORY AND REGISTERS OF THE I/O DEVICES ARE MAPPED TO ADDRESS VALUES
Port-mapped I/O; Memory-mapped IO; MMIO; I/O methods; I/O address; Memory mapped IO; Port IO; Port I/O; Memory mapped I/O; Port mapped I/O; Port mapped IO; PMIO; I/O Address; Io port; I/O port; IO address; IO port; Memory-mapped io; I/o port; I/O Port; IO Port; I/O ports; Incomplete decoding; Incomplete address decoding; Partial address decoding; Partial decoding; Memory-mapped I/O
Memory-mapped I/O (MMIO) and port-mapped I/O (PMIO) are two complementary methods of performing input/output (I/O) between the central processing unit (CPU) and peripheral devices in a computer. An alternative approach is using dedicated I/O processors, commonly known as channels on mainframe computers, which execute their own instructions.
memory mapped I/O
I/O METHOD BETWEEN THE CPU AND PERIPHERALS WHICH USES THE SAME ADDRESS SPACE TO ADDRESS BOTH MEMORY AND I/O DEVICES; THE MEMORY AND REGISTERS OF THE I/O DEVICES ARE MAPPED TO ADDRESS VALUES
Port-mapped I/O; Memory-mapped IO; MMIO; I/O methods; I/O address; Memory mapped IO; Port IO; Port I/O; Memory mapped I/O; Port mapped I/O; Port mapped IO; PMIO; I/O Address; Io port; I/O port; IO address; IO port; Memory-mapped io; I/o port; I/O Port; IO Port; I/O ports; Incomplete decoding; Incomplete address decoding; Partial address decoding; Partial decoding; Memory-mapped I/O
<architecture> The use of the same instructions and bus to
communicate with both main memory and input/output
devices. This is in contrast to processors that have a
separate I/O bus and special instructions to access it.
The I/O devices are addressed at certain reserved address
ranges on the main memory bus. These addresses cannot
therefore be used for RAM. Motorola and Mostec
architectures, among others, use memory mapped I/O.
Video cards and other cards with on-board memory might be
accessed in this way though the term applies not just to
devices containing memory but to any device connected to the
memory bus. Accessing the devices usually consists of reading
and writing certain built-in registers though sometimes the
mere presence of a particular address can trigger the device.
(1997-04-14)
Memory-mapped file
SEGMENT OF VIRTUAL MEMORY THAT HAS BEEN ASSIGNED A DIRECT BYTE-FOR-BYTE CORRELATION WITH SOME PORTION OF A FILE OR FILE-LIKE RESOURCE
Memory-mapped files; Memory mapped files; Memory Mapped Files; Memory mapped file; Mem-mapped file
A memory-mapped file is a segment of virtual memory that has been assigned a direct byte-for-byte correlation with some portion of a file or file-like resource. 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 the operating system can reference through a file descriptor.
Memory map
DATA STRUCTURE
Memory mapped
In computer science, a memory map is a structure of data (which usually resides in memory itself) that indicates how memory is laid out. The term "memory map" can have different meanings in different contexts.
MMIO
I/O METHOD BETWEEN THE CPU AND PERIPHERALS WHICH USES THE SAME ADDRESS SPACE TO ADDRESS BOTH MEMORY AND I/O DEVICES; THE MEMORY AND REGISTERS OF THE I/O DEVICES ARE MAPPED TO ADDRESS VALUES
Port-mapped I/O; Memory-mapped IO; MMIO; I/O methods; I/O address; Memory mapped IO; Port IO; Port I/O; Memory mapped I/O; Port mapped I/O; Port mapped IO; PMIO; I/O Address; Io port; I/O port; IO address; IO port; Memory-mapped io; I/o port; I/O Port; IO Port; I/O ports; Incomplete decoding; Incomplete address decoding; Partial address decoding; Partial decoding; Memory-mapped I/O
Memory Mapped I/O (Reference: I/O)
memory
![[[Olin Levi Warner]], ''Memory'' (1896). Library of Congress [[Thomas Jefferson Building]], Washington, D.C.](https://commons.wikimedia.org/wiki/Special:FilePath/Memory-Warner-Highsmith.jpeg?width=200 "[[Olin Levi Warner]], ''Memory'' (1896). Library of Congress [[Thomas Jefferson Building]], Washington, D.C.")
.jpg?width=200 "Regulatory sequence in a promoter at a transcription start site with a paused RNA polymerase and a TOP2B-induced double-strand break")
MENTAL FACULTIES AND PROCESSES INVOLVED IN STORING AND RETRIEVING INFORMATION
Molecular mechanisms of memory; Memory retention; Human memory; Memory (psychology); Memry; Topographical memory; Topographic memory; Memories; Macrostructure (psychology); Memory formation; Cognitive neuroscience of memory; Genetics of human memory; Genetic basis of memory; Genetics of memory
n.
1.
Recollection, remembrance, reminiscence.
2.
Remembrance.
3.
Memorial, commemorative record, monumental record.
4.
Fame, renown, reputation, celebrity.
memory
MENTAL FACULTIES AND PROCESSES INVOLVED IN STORING AND RETRIEVING INFORMATION
Molecular mechanisms of memory; Memory retention; Human memory; Memory (psychology); Memry; Topographical memory; Topographic memory; Memories; Macrostructure (psychology); Memory formation; Cognitive neuroscience of memory; Genetics of human memory; Genetic basis of memory; Genetics of memory
n.
power of recalling
1) to jog smb.'s memory
2) to commit smt. to memory
3) to slip smb.'s memory (the date has slipped my memory)
4) to lose one's memory
5) an infallible; photographic; powerful; retentive; short memory
6) (med.) long-term; short-term; visual memory
7) a memory for (a good memory for names)
8) (to speak) from memory
9) (misc.) a lapse of memory
something recalled, recollection
10) to evoke, stir up a memory
11) to blot out a memory
12) bitter; dim, vague; enduring; fond; haunting. poignant; pleasant; unpleasant memories
collective remembrance
13) to honor, venerate smb.'s memory
14) a blessed, sacred memory
15) in memory of (to erect a memorial in smb.'s memory)
16) in living memory
17) of blessed, sacred memory
18) (misc.) dedicated to smb.'s memory
capacity for storing information in a computer
19) (a) random-access; read-only memory
memory
MENTAL FACULTIES AND PROCESSES INVOLVED IN STORING AND RETRIEVING INFORMATION
Molecular mechanisms of memory; Memory retention; Human memory; Memory (psychology); Memry; Topographical memory; Topographic memory; Memories; Macrostructure (psychology); Memory formation; Cognitive neuroscience of memory; Genetics of human memory; Genetic basis of memory; Genetics of memory
¦ noun (plural memories)
1. the faculty by which the mind stores and remembers information: each child recited a verse from memory.
2. something remembered.
the remembering or commemoration of a dead person.
the length of time over which a person or event continues to be remembered.
3. a computer's equipment or capacity for storing data or program instructions for retrieval.
Phrases
in memory of intended to remind people of.
take a trip (or walk) down memory lane indulge in pleasant or sentimental memories.
Origin
ME: from OFr. memorie, from L. memoria 'memory', from memor 'mindful, remembering'.
Memories
MENTAL FACULTIES AND PROCESSES INVOLVED IN STORING AND RETRIEVING INFORMATION
Molecular mechanisms of memory; Memory retention; Human memory; Memory (psychology); Memry; Topographical memory; Topographic memory; Memories; Macrostructure (psychology); Memory formation; Cognitive neuroscience of memory; Genetics of human memory; Genetic basis of memory; Genetics of memory
·pl of Memory.
Memory
MENTAL FACULTIES AND PROCESSES INVOLVED IN STORING AND RETRIEVING INFORMATION
Molecular mechanisms of memory; Memory retention; Human memory; Memory (psychology); Memry; Topographical memory; Topographic memory; Memories; Macrostructure (psychology); Memory formation; Cognitive neuroscience of memory; Genetics of human memory; Genetic basis of memory; Genetics of memory
·noun A Memorial.
II. Memory ·noun The time within which past events can be or are remembered; as, within the memory of man.
III. Memory ·noun The faculty of the mind by which it retains the knowledge of previous thoughts, impressions, or events.
IV. Memory ·noun The actual and distinct retention and recognition of past ideas in the mind; remembrance; as, in memory of youth; memories of foreign lands.
V. Memory ·noun Something, or an aggregate of things, remembered; hence, character, conduct, ·etc., as preserved in remembrance, history, or tradition; posthumous fame; as, the war became only a memory.
VI. Memory ·noun The reach and positiveness with which a person can remember; the strength and trustworthiness of one's power to reach and represent or to recall the past; as, his memory was never wrong.
