What are two precautions that can be taken to prevent radio interference from unconnected analog pins on a circuit board? (Choose two.)
- Connect them to ground.
- Connect them to the battery.
- Connect them to a resistor.
- Cover them with electrical tape.
- Connect them to each other.
Explanation: Analog pins with no connections are in a floating state. In this state they are subject to radio interference, which can change the state of the pin and cause corruption in the programming code of the device.
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