subject

Specify the Boolean operator that could be used to accomplish the following tasks and justify your answer with a truth table in each

instance.

i) A series arrangement of two switches and a bulb which only lights

when both switches are not open.

ii) A parallel arrangement of two switches which are commonly

connected to a bulb.

iii) A metal detector which beeps when there is a metal and silent otherwise

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Answers: 3

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