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  2. Real-time clock - Wikipedia

    en.wikipedia.org/wiki/Real-time_clock

    A real-time clock ( RTC) is an electronic device (most often in the form of an integrated circuit) that measures the passage of time. Although the term often refers to the devices in personal computers, servers and embedded systems, RTCs are present in almost any electronic device which needs to keep accurate time of day .

  3. Category:Computer real-time clocks - Wikipedia

    en.wikipedia.org/wiki/Category:Computer_real...

    Real-time clocks are electronic devices designed to provide system time, and thereby wall-clock time, to a computer system. (Contrast this with clock signals, designed to provide timing for electronics themselves.) See also. Category:Clock signal for the topic of internal electronic clocking signals

  4. Real-time computing - Wikipedia

    en.wikipedia.org/wiki/Real-time_computing

    Real-time computing. Real-time computing ( RTC) is the computer science term for hardware and software systems subject to a "real-time constraint", for example from event to system response. [1] Real-time programs must guarantee response within specified time constraints, often referred to as "deadlines". [2]

  5. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    Doomsday Clock. The Doomsday Clock is a symbol that represents the likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. [1] Maintained since 1947, the clock is a metaphor, not a prediction, for threats to humanity from unchecked scientific and technological advances.

  6. Real-time - Wikipedia

    en.wikipedia.org/wiki/Real-time

    Real-time clock, a computer clock that keeps track of the current time; Real-time Control System, a reference model architecture suitable for software-intensive, real-time computing; Real-time Programming Language, a compiled database programming language which expresses work to be done by a particular time; Applications

  7. Real-time clock alarm - Wikipedia

    en.wikipedia.org/wiki/Real-time_clock_alarm

    A real time clock alarm is a feature that can be used to allow a computer to 'wake up' after shut down to execute tasks every day or on a certain day. It can sometimes be found in the 'Power Management' section of a motherboard 's BIOS / UEFI setup. Wake On LAN, Wake on ring, and IPMI functions could also be used to start a computer after it is ...

  8. Clock drift - Wikipedia

    en.wikipedia.org/wiki/Clock_drift

    Clock drift. Clock drift refers to several related phenomena where a clock does not run at exactly the same rate as a reference clock. That is, after some time the clock "drifts apart" or gradually desynchronizes from the other clock. All clocks are subject to drift, causing eventual divergence unless resynchronized.

  9. Real-time operating system - Wikipedia

    en.wikipedia.org/wiki/Real-time_operating_system

    A real-time operating system ( RTOS) is an operating system (OS) for real-time computing applications that processes data and events that have critically defined time constraints. An RTOS is distinct from a time-sharing operating system, such as Unix, which manages the sharing of system resources with a scheduler, data buffers, or fixed task ...

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