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N-bit memory descriptor

См. также в других словарях:

  • Memory management unit — This 68451 MMU could be used with the Motorola 68010 A memory management unit (MMU), sometimes called paged memory management unit (PMMU), is a computer hardware component responsible for handling accesses to memory requested by the CPU. Its… …   Wikipedia

  • Memory-mapped file — A memory mapped file is a segment of virtual memory which 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… …   Wikipedia

  • X86 memory segmentation — refers to the implementation of memory segmentation on the x86 architecture. Memory is divided into portions that may be addressed by a single index register without changing a 16 bit segment selector. In real mode or V86 mode, a segment is… …   Wikipedia

  • Local Descriptor Table — The Local Descriptor Table (LDT) is a memory table used in the x86 architecture in protected mode and containing memory segment descriptors: start in linear memory, size, executability, writability, access privilege, actual presence in memory,… …   Wikipedia

  • Global Descriptor Table — The Global Descriptor Table or GDT is a data structure used by Intel x86 family processors starting with the 80286 in order to define the characteristics of the various memory areas used during program execution, for example the base address, the …   Wikipedia

  • Interrupt descriptor table — The Interrupt Descriptor Table (IDT) is a data structure used by the x86 architecture to implement an interrupt vector table. The IDT is used by the processor to determine the correct response to interrupts and exceptions.The details in the… …   Wikipedia

  • NX bit — The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions (or code) or for storage of data, a feature normally only found in Harvard architecture… …   Wikipedia

  • Virtual Token Descriptor — (VTD) is a binary format (representing non extractive XML tokens) on which VTD XML is based. VTD records are 64 bit integers encoding the offsets, lengths, depths, and types of tokens in an XML document, and require that XML document be… …   Wikipedia

  • Protected mode — This article is about an x86 processor mode. For Internet Explorer Protected Mode, see Mandatory Integrity Control. x86 processor modes Mode First supported Real mode Intel 8086 8080 emulation mode NEC …   Wikipedia

  • Burroughs large systems descriptors — Descriptors are an architectural feature of Burroughs large systems, including the current (as of 2006) Unisys Clearpath/MCP systems. Apart from being stack and tag based, a notable architectural feature of these systems is that it is descriptor… …   Wikipedia

  • x86 — This article is about Intel microprocessor architecture in general. For the 32 bit generation of this architecture which is also called x86 , see IA 32. x86 Designer Intel, AMD Bits 16 bit, 32 bit, and/or 64 bit Introduced 1978 Design …   Wikipedia

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