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  2. Year 2038 problem - Wikipedia

    en.wikipedia.org/wiki/Year_2038_problem

    Computer systems that use time for critical computations may encounter fatal errors if the year 2038 problem is not addressed. Some applications that use future dates have already encountered the bug. [4] [5] The most vulnerable systems are those which are infrequently or never updated, such as legacy and embedded systems.

  3. Grandfather clock - Wikipedia

    en.wikipedia.org/wiki/Grandfather_clock

    A grandfather clock (also a longcase clock, tall-case clock, grandfather's clock, hall clock or floor clock) is a tall, freestanding, weight-driven pendulum clock, with the pendulum held inside the tower or waist of the case. Clocks of this style are commonly 1.8–2.4 metres (6–8 feet) tall with an enclosed pendulum and weights, suspended by ...

  4. System time - Wikipedia

    en.wikipedia.org/wiki/System_time

    In computer science and computer programming, system time represents a computer system's notion of the passage of time. In this sense, time also includes the passing of days on the calendar . System time is measured by a system clock , which is typically implemented as a simple count of the number of ticks that have transpired since some ...

  5. Ninety Years Without Slumbering - Wikipedia

    en.wikipedia.org/wiki/Ninety_Years_Without...

    Ninety Years Without Slumbering was a drastic reworking of an original script by George Clayton Johnson, Tick of Time. Most notably, in Tick of Time the main character did indeed die when the clock stopped. Johnson disapproved of the changes made to his story, especially Sam Forstmann's anticlimactic confrontation with his own ghost: "It makes ...

  6. What should we do with Grandma’s old clock?

    www.aol.com/grandma-old-clock-102129516.html

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  7. Clock drift - Wikipedia

    en.wikipedia.org/wiki/Clock_drift

    On average the faster crystal will then tick 10,000 times for each time the slower one ticks. But since clock crystals are not precise, the exact number of ticks will vary. That variation can be used to create random bits. For instance, if the number of fast ticks is even, a 0 is chosen, and if the number of ticks is odd, a 1 is chosen.

  8. Time synchronization in North America - Wikipedia

    en.wikipedia.org/wiki/Time_synchronization_in...

    COAA's Radio Clock [21] F6CTE's CLOCK [15] WWVH: 5, 10, and 15 MHz AM Voice with modified IRIG-Hformat time code on 100 Hz sub-carrier (CCIR code) HF radio and antenna (plus software if automatic updating of computer time is desired) TrueTime TL-3 WWV Receiver; CHU: 3.33 MHz, 7.85 MHz, 14.67 MHz Bell 103 modem tones, decodable by most computer ...

  9. Oval Office grandfather clock - Wikipedia

    en.wikipedia.org/wiki/Oval_Office_grandfather_clock

    The Seymour tall case clock in the White House, more commonly known as the Oval Office grandfather clock, is an 8-foot-10-inch (269 cm) longcase clock, made between 1795 and 1805 in Boston by John and Thomas Seymour, and has been located in the Oval Office since 1975. [1]