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  2. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    The Calculator in non-LTSC editions of Windows 10 is a Universal Windows Platform app. In contrast, Windows 10 LTSC (which does not include universal Windows apps) includes the traditional calculator, but which is now named win32calc.exe. Both calculators provide the features of the traditional calculator included with Windows 7 and Windows 8.x ...

  3. Space Shuttle abort modes - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_abort_modes

    ATO was the preferred abort option whenever possible. TAL was the preferred abort option if the vehicle had not yet reached a speed permitting the ATO option. AOA would have been only used in the brief window between TAL and ATO options, or if a time-critical emergency (such as a medical emergency on board) developed after the end of the TAL ...

  4. Nested RAID levels - Wikipedia

    en.wikipedia.org/wiki/Nested_RAID_levels

    RAID 01, also called RAID 0+1, is a RAID level using a mirror of stripes, achieving both replication and sharing of data between disks. [3] The usable capacity of a RAID 01 array is the same as in a RAID 1 array made of the same drives, in which one half of the drives is used to mirror the other half.

  5. Non-standard RAID levels - Wikipedia

    en.wikipedia.org/wiki/Non-standard_RAID_levels

    There are five different RAID-Z modes: RAID-Z0 (similar to RAID 0, offers no redundancy), RAID-Z1 (similar to RAID 5, allows one disk to fail), RAID-Z2 (similar to RAID 6, allows two disks to fail), RAID-Z3 (a RAID 7 [a] configuration, allows three disks to fail), and mirror (similar to RAID 1, allows all but one of the disks to fail).

  6. Redundancy (engineering) - Wikipedia

    en.wikipedia.org/wiki/Redundancy_(engineering)

    In engineering and systems theory, redundancy is the intentional duplication of critical components or functions of a system with the goal of increasing reliability of the system, usually in the form of a backup or fail-safe, or to improve actual system performance, such as in the case of GNSS receivers, or multi-threaded computer processing.

  7. Time triple modular redundancy - Wikipedia

    en.wikipedia.org/wiki/Time_triple_modular_redundancy

    Time triple modular redundancy, also known as TTMR, is a patented single-event upset mitigation technique that detects and corrects errors in a computer or microprocessor. . TTMR allows the use of very long instruction word style microprocessors in space or other applications where external sources, such as radiation, would cause an elevated rate of erro

  8. Triple modular redundancy - Wikipedia

    en.wikipedia.org/wiki/Triple_modular_redundancy

    In computing, triple modular redundancy, sometimes called triple-mode redundancy, [1] (TMR) is a fault-tolerant form of N-modular redundancy, in which three systems perform a process and that result is processed by a majority-voting system to produce a single output. If any one of the three systems fails, the other two systems can correct and ...

  9. Computation of cyclic redundancy checks - Wikipedia

    en.wikipedia.org/wiki/Computation_of_cyclic...

    Computation of a cyclic redundancy check is derived from the mathematics of polynomial division, modulo two. In practice, it resembles long division of the binary message string, with a fixed number of zeroes appended, by the "generator polynomial" string except that exclusive or operations replace subtractions.