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  2. Logical block addressing - Wikipedia

    en.wikipedia.org/wiki/Logical_block_addressing

    In logical block addressing, only one number is used to address data, and each linear base address describes a single block. The LBA scheme replaces earlier schemes which exposed the physical details of the storage device to the software of the operating system. Chief among these was the cylinder-head-sector (CHS) scheme, where blocks were addressed by means

  3. Flash memory controller - Wikipedia

    en.wikipedia.org/wiki/Flash_memory_controller

    Usually, flash memory controllers also include the "flash translation layer" (FTL), a layer below the file system that maps host side or file system logical block addresses (LBAs) to the physical address of the flash memory (logical-to-physical mapping). The LBAs refer to sector numbers and to a mapping unit of 512 bytes.

  4. Cylinder-head-sector - Wikipedia

    en.wikipedia.org/wiki/Cylinder-head-sector

    Cylinder-head-sector (CHS) is an early method for giving addresses to each physical block of data on a hard disk drive. It is a 3D-coordinate system made out of a vertical coordinate head, a horizontal (or radial) coordinate cylinder, and an angular coordinate sector. Head selects a circular surface: a platter in the disk (and one of its two ...

  5. GUID Partition Table - Wikipedia

    en.wikipedia.org/wiki/GUID_Partition_Table

    Negative LBA addresses indicate a position from the end of the volume, with −1 being the last addressable block. The GUID Partition Table ( GPT ) is a standard for the layout of partition tables of a physical computer storage device , such as a hard disk drive or solid-state drive , using universally unique identifiers (UUIDs), which are also ...

  6. SCSI - Wikipedia

    en.wikipedia.org/wiki/SCSI

    Devices may encompass multiple logical units, which are addressed by logical unit number (LUN). Simple devices have just one LUN, more complex devices may have multiple LUNs. A "direct access" (i.e. disk type) storage device consists of a number of logical blocks, addressed by Logical Block Address . A typical LBA equates to 512 bytes of storage.

  7. 64-bit LBA - Wikipedia

    en.wikipedia.org/?title=64-bit_LBA&redirect=no

    Logical block addressing#LBA64 To a related topic : This is a redirect to an article about a similar topic. Redirects from related topics are different than redirects from related words, because a related topic is more likely to warrant a full and detailed description in the target article.

  8. Mortgage and refinance rates for Nov. 21, 2024: Average rates ...

    www.aol.com/finance/mortgage-and-refinance-rates...

    See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.

  9. Hack computer - Wikipedia

    en.wikipedia.org/wiki/Hack_computer

    The Hack computer’s ROM module is presented as a linear array of individually addressable, sequential, 16-bit memory registers. Addresses start at 0 (0x0000). Since the memory elements are sequential devices, a system clock signal is supplied by the simulation application and the computer emulator application.