Question: An unknown combinational circuit has two inputs, and one output. (a) how many different combinational circuits are possible? Two circuits are considered the same if

An unknown combinational circuit has two inputs, and one output. (a)

An unknown combinational circuit has two inputs, and one output. (a) how many different combinational circuits are possible? Two circuits are considered the same if they have the same truth table. (b) Suppose one such circuit is chosen randomly, each possibility equally likely to occur. You observe that if both inputs to the circuit are TRUE, the output is TRUE. Knowing this, what is the probability that the unknown circuit is equivalent to an AND gate

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