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Module 5. Digital techniques / Electronic instrument systems
What is the equivalent of this gate?

•  = (NOT-A + NOT-B)
•  = (A + B)NOT
•  = (A.B)NOT

sasna asking:
•  correct the answer.....

Community comments: 5
rajib
Posts: 8
26.08.2013 / 06:48
Answer is correct, please go through De Morgan's laws,

for reference :

http://www2.nau.edu/~sh295/EE110/deMorganproof.html
sasna
Posts: 20
27.08.2013 / 00:30
why not (A.B)NOT...???
dimky
Posts: 509
01.09.2013 / 10:45
Draw truth tables for all answers and compare them with truth table of NAND gate.
karmendra
Posts: 1
30.05.2017 / 22:43
Why not (A.B)NOT is a right answer. It's straight forward from the drawing. AND gate with a output inverted is (A.B)NOT gate
Shenoy
Posts: 1
30.08.2019 / 15:37
i agree with karmendra
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