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  2. Orders of magnitude (frequency) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    Acoustic – frequency of G −7, the lowest note sung by the singer with the deepest voice in the world, Tim Storms. His vocal cords vibrate 1 time every 5.29 seconds. 10 0: 1 hertz (Hz) 1 to 1.66 Hz: Approximate frequency of an adult human's resting heart beat: 1 Hz: 60 bpm, common tempo in music 2 Hz: 120 bpm, common tempo in music ~7.83 Hz

  3. Refresh rate - Wikipedia

    en.wikipedia.org/wiki/Refresh_rate

    On smaller CRT monitors (up to about 15 in or 38 cm), few people notice any discomfort between 60–72 Hz. On larger CRT monitors (17 in or 43 cm or larger), most people experience mild discomfort unless the refresh is set to 72 Hz or higher. A rate of 100 Hz is comfortable at almost any size. However, this does not apply to LCD monitors.

  4. Flicker-free - Wikipedia

    en.wikipedia.org/wiki/Flicker-free

    Flicker-free is a term given to video displays, primarily cathode-ray tubes, operating at a high refresh rate to reduce or eliminate the perception of screen flicker.For televisions, this involves operating at a 100 Hz or 120 Hz hertz field rate to eliminate flicker, compared to standard televisions that operate at 50 Hz (PAL, SÉCAM systems) or 60 Hz (), most simply done by displaying each ...

  5. Clock rate - Wikipedia

    en.wikipedia.org/wiki/Clock_rate

    The first fully mechanical digital computer, the Z1, operated at 1 Hz (cycle per second) clock frequency and the first electromechanical general purpose computer, the Z3, operated at a frequency of about 5–10 Hz. The first electronic general purpose computer, the ENIAC, used a 100 kHz clock in its cycling unit. As each instruction took 20 ...

  6. Octave (electronics) - Wikipedia

    en.wikipedia.org/wiki/Octave_(electronics)

    For example, the frequency one octave above 40 Hz is 80 Hz. The term is derived from the Western musical scale where an octave is a doubling in frequency. [note 1] Specification in terms of octaves is therefore common in audio electronics. Along with the decade, it is a unit used to describe frequency bands or frequency ratios. [1] [2]

  7. Frequency - Wikipedia

    en.wikipedia.org/wiki/Frequency

    Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time. [1] It is also occasionally referred to as temporal frequency for clarity and to distinguish it from spatial frequency.

  8. List of smartphones with a high refresh rate display - Wikipedia

    en.wikipedia.org/wiki/List_of_smartphones_with_a...

    The following is a list of smartphones with a high refresh rate display.The refresh rate is the number of times in a second that a display hardware updates its buffer. It is not to be confused with the touch response rate, which is the frequency that the touchscreen senses input, or the frame rate, which describes how many images are stored or generated every second by the device driving the ...

  9. Hertz - Wikipedia

    en.wikipedia.org/wiki/Hertz

    The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle) per second. [1] [a] The hertz is an SI derived unit whose formal expression in terms of SI base units is s −1, meaning that one hertz is one per second or the reciprocal of one second. [2]