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  2. Time-slot interchange - Wikipedia

    en.wikipedia.org/wiki/Time-Slot_Interchange

    In a time-slot interchange (TSI) switch, two memory accesses are required for each connection (one to read and one to store). Let T be the time to access the memory. Therefore, for a connection, 2T time will be taken to access the memory. If there are n connections and t is the operation time for n lines, then t=2nT which gives n=t/2T

  3. SDI Technologies - Wikipedia

    en.wikipedia.org/wiki/SDI_Technologies

    iHome Alarm Clock connected to a 4th-generation iPod. Created in 2005, the iHome division produces docking stations, headphones, smart home devices, and other accessories. iHome speakers are able to stream music over Apple AirPlay, Bluetooth, as well as via a wired connection. In addition to playing music wirelessly, some systems can act as a ...

  4. Time switch - Wikipedia

    en.wikipedia.org/wiki/Time_switch

    A simple 24-hour cyclical electromechanical time switch with a French CEE 7/5 socket. A time switch (also called a timer switch, or simply timer) is a device that operates an electric switch controlled by a timer. Intermatic introduced its first time switch in 1945, which was used for "electric signs, store window lighting, apartment hall ...

  5. Precision Time Protocol - Wikipedia

    en.wikipedia.org/wiki/Precision_Time_Protocol

    A domain [i] is an interacting set of clocks that synchronize to one another using PTP. Clocks are assigned to a domain by virtue of the contents of the Subdomain name (IEEE 1588-2002) or the domainNumber (IEEE 1588-2008) fields in PTP messages they receive or generate. Domains allow multiple clock distribution systems to share the same ...

  6. Apple II system clocks - Wikipedia

    en.wikipedia.org/wiki/Apple_II_system_clocks

    The No-Slot Clock was both ProDOS and DOS 3.3 compatible, however a software driver had to be patched into ProDOS or integrated into the applicable DOS 3.3 program. Once the driver was installed it emulated the Thunderclock. The No-Slot Clock was usually installed in the following locations on the motherboard in the following computers: [2]

  7. Clock signal - Wikipedia

    en.wikipedia.org/wiki/Clock_signal

    Clock signal and legend. In electronics and especially synchronous digital circuits, a clock signal (historically also known as logic beat) [1] is an electronic logic signal (voltage or current) which oscillates between a high and a low state at a constant frequency and is used like a metronome to synchronize actions of digital circuits.

  8. Talking clock - Wikipedia

    en.wikipedia.org/wiki/Talking_clock

    A talking clock (also called a speaking clock and an auditory clock) is a timekeeping device that presents the time as sounds. It may present the time solely as sounds, such as a phone-based time service (see " Speaking clock ") or a clock for the visually impaired, or may have a sound feature in addition to an analog or digital face.

  9. Instructions per cycle - Wikipedia

    en.wikipedia.org/wiki/Instructions_per_cycle

    The final result comes from dividing the number of instructions by the number of CPU clock cycles. The number of instructions per second and floating point operations per second for a processor can be derived by multiplying the number of instructions per cycle with the clock rate (cycles per second given in Hertz) of the processor in question ...