The lights in a classroom are controlled by two switches: one at the back and one at
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The lights in a classroom are controlled by two switches: one at the back and one at the front of the room. Moving either switch to the opposite position turns the light off if they were on and on if the were off. Assume the lights have installed so that when both switches are in the down position, the lights are off. Let P and Q be input to switches and R be the output (light on/off), design a circuit to control the witches and give its corresponding truth table.
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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