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how to find out accuracy of 500hz

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grittinjames

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hai friends

how we can find out the accuracy of 500hz using c or vb
i am getting a 500hz from a device calibration shuld be done according with the deveation of this clock

with out any hard ware how we can find out resolution must be abouve .000

thanks in advance
 

grittinjames

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windowsXP
i dont want to calibrate pc clock

i want to find how accurate clock which i am giving to pc
 

echo47

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Measuring 500 Hz to within 0.001 Hz requires an accuracy of 2 ppm (2E-6).
The various oscillators in a computer generally have much poorer accuracy than that.
You need a better instrument.
 

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