Write down the Boolean Table AND the Boolean Expression that models
the circuit that engineers two light switches A and B at the two EXITS
of a huge conference center. The specifications are as follows:
(a)Both light switches operate the one common light in the room.
(b) The light is off when both switches A and B are OFF. That would
mean that A = B = 0 implies the light is OFF = 0.
(c) Flipping either switch will turn the light ON = 1.
(d) Following (c) flipping either switch will turn the light OFF = 0.
(e) We can go back and forth between (c) and (d). Flipping either
switch A or B will turn the light OFF = 0 if it is ON = 1 and ON = 1
if it is OFF = 0
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