A. METHOD
To design a digital clock with a variety of methods, but the primary method is often used popular and microcontroller IC number.
So the question is what method should be used:
*. The method used IC number:
- Ensure high accuracy
- Low Loss can use battery or accumulator
- Ability wide count
- Low cost
- easy to implement simple circuit
- Frequency response of tachycardia allowed counting at high frequencies.
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