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Что (кто) такое memory protection - определение
WAY TO CONTROL MEMORY ACCESS RIGHTS ON A COMPUTER, AND IS A PART OF MOST MODERN INSTRUCTION SET ARCHITECTURES AND OPERATING SYSTEMS
Protected memory; Mprotect; Storage protection; Storage Protection; Memory isolation; Memory security; Secure memory; Memory spy; Memory protection key; Memory protection keys
Найдено результатов: 2230
memory protection
<memory management> A system to prevent one process
corrupting the memory (or other resources) of any other,
including the operating system. Memory protection usually
relies on a combination of hardware (a {memory management
unit}) and software to allocate memory to processes and handle
exceptions.
The effectiveness of memory protection varies from one
operating system to another. In most versions of Unix it is
almost impossible to corrupt another process' memory, except
in some archaic implementations and Lunix (not Linux!).
Under Microsoft Windows (version? hardware?) any {16 bit
application}(?) can circumvent the memory protection, often
leading to one or more GPFs. Currently (April 1996) neither
Microsoft Windows 3.1, Windows 95, nor Mac OS offer
memory protection. Windows NT has it, and Mac OS System 8
will offer a form of memory protection.
[MS DOS EMM386 relevant? ]
(1996-09-10)
Memory protection
Memory protection is a way to control memory access rights on a computer, and is a part of most modern instruction set architectures and operating systems. The main purpose of memory protection is to prevent a process from accessing memory that has not been allocated to it.
Intel MPX
EXTENSION TO THE X86 INSTRUCTION SET
User:Oranjelo100/Intel MPX(Memory Protection Extensions); Intel MPX(Memory Protection Extensions); Memory Protection Extensions; User:Emperor-Overlord100/Intel MPX(Memory Protection Extensions); Intel MPX (Memory Protection Extensions)
Intel MPX (Memory Protection Extensions) was a set of extensions to the x86 instruction set architecture. With compiler, runtime library and operating system support, Intel MPX claimed to enhance security to software by checking pointer references whose normal compile-time intentions are maliciously exploited at runtime due to buffer overflows.
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.
Memory protection unit
COMPUTER HARDWARE COMPONENT FOR SECURITY
A memory protection unit (MPU), is a computer hardware unit that provides memory protection. It is usually implemented as part of the central processing unit (CPU).
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
<storage> These days, usually used synonymously with {Random
Access Memory} or Read-Only Memory, but in the general sense
it can be any device that can hold data in
machine-readable format.
(1996-05-25)
Википедия
Memory protection
Memory protection is a way to control memory access rights on a computer, and is a part of most modern instruction set architectures and operating systems. The main purpose of memory protection is to prevent a process from accessing memory that has not been allocated to it. This prevents a bug or malware within a process from affecting other processes, or the operating system itself. Protection may encompass all accesses to a specified area of memory, write accesses, or attempts to execute the contents of the area. An attempt to access unauthorized memory results in a hardware fault, e.g., a segmentation fault, storage violation exception, generally causing abnormal termination of the offending process. Memory protection for computer security includes additional techniques such as address space layout randomization and executable space protection.
