FAQ - Boolean Algebra

Q1: How do I turn and AND gate into an OR gate?

Q1:
Did you say an AND gate with 3 bubbles(2 for input and one for output)
is OR gate and an OR gate with 3 bubbles is an AND gate?

By DeMorgan's square, and AND gate with inverted inputs and output
behalves as an OR gate. And OR gate with inverted inputs and output
behaves as an AND gate.