Lesson 1.4. and ornot Logic Gate: A device that acts on input signals that it receives to produce an output signal (1 or 0). True = 1 False = 0.

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Presentation transcript:

Lesson 1.4

and ornot Logic Gate: A device that acts on input signals that it receives to produce an output signal (1 or 0). True = 1 False = 0

 Since the switch to 100% digital broadcasting in 2009, analog televisions need a converter box to receive a signal to view free TV. In order to see a picture, both the TV and the converter box must be on. Make a table for when the picture is on or off. TelevisionConverter BoxPictureTelevisionConverter BoxPicture On Off OnOff off inputs outputs

 Construct an input-output table (truth table) that corresponds to the following network. and not p q PQ~qP and ~ q~ (p and ~ q) PQ~ qP and ~ q~ (p and ~ q)

ornot p q PQ~ p~p or q PQ~p~p pr q

and ornot p q r (~q and p) or r

or and not p q r

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