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NPP Number System, Boolean Algebra and Logic Circuits 187
A
B F
C
Convert OR into NOR: OR JoQ> H$mo NOR JoQ> _| n[ad{V©V H$aZo na:
A
B
C
Convert AND into Bubbled AND: AND JoQ> H$mo ~~ëS> AND JoQ> _| n[ad{V©V H$aZo na:
A
B
C
The bubbled AND is equivalent to NOR: ~~ëS> AND JoQ> NOR Ho$ Vwë` hmoVm h¡…
A
B
C
The three NOT Gates can be replaced with VrZ NOT JoQ>m| Ho$ ñWmZ na em°Q>}S> NOR bJm
shorted NOR: gH$Vo h¢…
A
B
C
Problem 3.41 àíZ 3.41
Draw AND using NAND: AND JoQ> H$mo NAND JoQ> H$s ghm`Vm go ~ZmAmo…
Solution: hc:
A
A.B
B
