Page 255 - FUNDAMENTALS OF COMPUTER
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NPP Number System, Boolean Algebra and Logic Circuits 255
A
B F
c
One NOT gate and bubbled OR Gate can NOT JoQ> VWm ~~ëS> OR Ho$ ñWmZ na NAND
be replaced with NAND: ~ZmZo na…
A
F
B
c
(ii) NOR-NOR Implementation: Use POS (ii) NOR Bpåßb_|Q>oeZ hoVw gd©àW_ POS ê$n H$m
Form: F = . B (A + C ) Basic gate imple- _yb^yV n[anW ~ZmVo h¢…
mentation is:
B
A F
C
Convert OR into NOR and put one bubble OR H$mo NOR _| VWm AND H$mo ~~ëS> AND _|
at AND gate input. To get bubbled AND put ~XbZo na…
one more bubble and one NOT gate in series.
B
A F
C
Bubbled AND and three NOT gates can be ~~ëS> AND d NOT Ho$ ñWmZ na NOR JoQ> ~ZmZo
replaced by NOR: na…