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  2. Watchdog timer - Wikipedia

    en.wikipedia.org/wiki/Watchdog_timer

    A watchdog timer (WDT, or simply a watchdog), sometimes called a computer operating properly timer (COP timer), [1] is an electronic or software timer that is used to detect and recover from computer malfunctions. Watchdog timers are widely used in computers to facilitate automatic correction of temporary hardware faults, and to prevent errant ...

  3. Command Loss Timer Reset - Wikipedia

    en.wikipedia.org/wiki/Command_Loss_Timer_Reset

    Command Loss Timer Reset systems involve both hardware and software. Most spacecraft have more than one Command Loss Timer Reset for subsystem level safety reasons, with the Voyager craft using at least 7 of these timers. Technically the Command Loss Timer Reset is a glorified array of Watchdog timers, each with different settings.

  4. Non-maskable interrupt - Wikipedia

    en.wikipedia.org/wiki/Non-maskable_interrupt

    On some systems, a computer user can trigger an NMI through hardware and software debugging interfaces and system reset buttons. Programmers typically use debugging NMIs to diagnose and fix faulty code. In such cases, an NMI can execute an interrupt handler that transfers control to a special monitor program. From this program, a developer can ...

  5. Polling (computer science) - Wikipedia

    en.wikipedia.org/wiki/Polling_(computer_science)

    A poll message is a control-acknowledgment message.. In a multidrop line arrangement (a central computer and different terminals in which the terminals share a single communication line to and from the computer), the system uses a master/slave polling arrangement whereby the central computer sends message (called polling message) to a specific terminal on the outgoing line.

  6. STONITH - Wikipedia

    en.wikipedia.org/wiki/STONITH

    STONITH ("Shoot The Other Node In The Head" or "Shoot The Offending Node In The Head"), sometimes called STOMITH ("Shoot The Other Member/Machine In The Head"), is a technique for fencing in computer clusters. [1] Fencing is the isolation of a failed node so that it does not cause disruption to a computer cluster. As its name suggests, STONITH ...

  7. Heartbeat (computing) - Wikipedia

    en.wikipedia.org/wiki/Heartbeat_(computing)

    In computer science, a heartbeat is a periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a computer system. [1] [2] Heartbeat mechanism is one of the common techniques in mission critical systems for providing high availability and fault tolerance of network services by detecting the network or systems failures of nodes or daemons ...

  8. Who needs football? This year's SEC in the conversation for ...

    www.aol.com/sports/needs-football-years-sec...

    Not so long ago, this league was Kentucky, Florida and a bunch of minnows. Now, as Calipari said last week, “It doesn’t matter who you play. You can lose.”

  9. Hardware Platform Interface - Wikipedia

    en.wikipedia.org/wiki/Hardware_Platform_Interface

    The Hardware Platform Interface (HPI) is an open specification that defines an application programming interface (API) for platform management of computer systems. The API supports tasks including reading temperature or voltage sensors built into a processor, configuring hardware registers, accessing system inventory information like model numbers and serial numbers, and performing more ...