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A memory management unit ( MMU ), sometimes called paged memory management unit ( PMMU ), [ 1] is a computer hardware unit that examines all memory references on the memory bus, translating these requests, known as virtual memory addresses, into physical addresses in main memory . In modern systems, programs generally have addresses that access ...
In computing, an input–output memory management unit ( IOMMU) is a memory management unit (MMU) connecting a direct-memory-access –capable (DMA-capable) I/O bus to the main memory. Like a traditional MMU, which translates CPU -visible virtual addresses to physical addresses, the IOMMU maps device-visible virtual addresses (also called ...
Protected mode was first added to the x86 architecture in 1982, [6] with the release of Intel 's 80286 (286) processor, and later extended with the release of the 80386 (386) in 1985. [7] Due to the enhancements added by protected mode, it has become widely adopted and has become the foundation for all subsequent enhancements to the x86 (IA-32 ...
Among Us built its following in part through the sheer number of mods, and Innersloth is clearly hoping that it will keep the excitement up by folding those add-ons into the game. The developer ...
This news doesn’t mean that Microsoft will no longer support computers running 32-bit Windows 10. Microsoft says that it will continue to update the OS with new features and security patches ...
v. t. e. Real mode, also called real address mode, is an operating mode of all x86 -compatible CPUs. The mode gets its name from the fact that addresses in real mode always correspond to real locations in memory. Real mode is characterized by a 20- bit segmented memory address space (giving 1 MB of addressable memory) and unlimited direct ...
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Many 32-bit computers have 32 physical address bits and are thus limited to 4 GiB (2 32 words) of memory. [3] [4] x86 processors prior to the Pentium Pro have 32 or fewer physical address bits; however, most x86 processors since the Pentium Pro, which was first sold in 1995, have the Physical Address Extension (PAE) mechanism, [5]: 445 which allows addressing up to 64 GiB (2 36 words) of memory.