Question

Write down the Boolean Table and the Boolean Expression that models the circuit that implements the NOR operation. This circuit is given two 1-bit values, a and b. It outputs 1 if a = b = 0, and outputs 0 otherwise.

Answer 1

$X ↓ Y ≡ ¬(X ∨ Y) ≡ ¬X ∧ ¬Y$