1. Lesson 1.4

2. 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

3.  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

4.  Construct an input-output table (truth table) that corresponds to the following network. and not p q PQ~qP and ~ q~ (p and ~ q) 11001 10110 01001 00101 PQ~ qP and ~ q~ (p and ~ q)

5. ornot p q PQ~ p~p or q 1101 1000 0111 0011 PQ~p~p pr q

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

7. or and not p q r

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