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  2. 24-hour clock - Wikipedia

    en.wikipedia.org/wiki/24-hour_clock

    24-hour digital clock in Miaoli HSR station.. A time of day is written in the 24-hour notation in the form hh:mm (for example 01:23) or hh:mm:ss (for example, 01:23:45), where hh (00 to 23) is the number of full hours that have passed since midnight, mm (00 to 59) is the number of full minutes that have passed since the last full hour, and ss (00 to 59) is the number of seconds since the last ...

  3. Lamport timestamp - Wikipedia

    en.wikipedia.org/wiki/Lamport_timestamp

    Lamport timestamp. The Lamport timestamp algorithm is a simple logical clock algorithm used to determine the order of events in a distributed computer system. As different nodes or processes will typically not be perfectly synchronized, this algorithm is used to provide a partial ordering of events with minimal overhead, and conceptually ...

  4. Traditional Chinese timekeeping - Wikipedia

    en.wikipedia.org/wiki/Traditional_Chinese...

    Using the definition of kè as 1⁄100 of a day, each kè is equal to 0.24 hours, 14.4 minutes, or 14 minutes 24 seconds. Every shí contains 8 1⁄3 kè, with 7 or 8 full kè and partial beginning or ending kè. These fractional kè are multiples of 1⁄6 kè, or 2 minutes 24 seconds. [ a] The 7 or 8 full kè within each shí were referred to ...

  5. NOP (code) - Wikipedia

    en.wikipedia.org/wiki/NOP_(code)

    NOP. 1. 0x90 [ 2] 0x90 is the one-byte encoding for XCHG AX,AX in 16-bit code and XCHG EAX,EAX in 32-bit code. In long mode, XCHG RAX,RAX requires two bytes, as it would begin with an REX.W prefix, making the encoding 0x48 0x90. However, 0x90 is interpreted as a NOP in long mode regardless of whether it is preceded by 0x48.

  6. Geʽez script - Wikipedia

    en.wikipedia.org/wiki/Geʽez_script

    The oldest known example of the Geʽez script is the Hawulti obelisk in Matara, Eritrea. [ 5 ] By the first centuries CE, [ clarification needed ] what is called "Old Ethiopic" or the "Old Geʻez writing system" arose, an abjad written right-to-left [ 6 ] (as opposed to boustrophedon like ESA) with letters basically identical to the first-order ...

  7. History of timekeeping devices - Wikipedia

    en.wikipedia.org/wiki/History_of_timekeeping_devices

    History of timekeeping devices. A marine sandglass. It is related to the hourglass, nowadays often used symbolically to represent the concept of time. The history of timekeeping devices dates back to when ancient civilizations first observed astronomical bodies as they moved across the sky. Devices and methods for keeping time have gradually ...

  8. TIME (command) - Wikipedia

    en.wikipedia.org/wiki/TIME_(command)

    TIME (command) In computing, TIME is a command in DEC RT-11, [1] DOS, IBM OS/2, [2] Microsoft Windows [3] and a number of other operating systems that is used to display and set the current system time. [4] It is included in command-line interpreters ( shells) such as COMMAND.COM, cmd.exe, 4DOS, 4OS2 and 4NT .

  9. My Grandfather's Clock - Wikipedia

    en.wikipedia.org/wiki/My_Grandfather's_Clock

    "Grand-Father's Clock" was first published in 1876. "Grandfather's Clock" (popularly known as "My Grandfather's Clock") is a song written in 1876 by Henry Clay Work, the author of "Marching Through Georgia". It is a standard of British brass bands and colliery bands, and is also popular in bluegrass music.