Universal Gate

@tech-vaibhav-ee-65Xzvs • Oct 25, 2024

Oct 25, 2024

1.2K

Hi,
This was one of the questions asked to me during an interview. If anyone knows the answer, please reply.

Which of the following can behave as a universal gate:

1) Xnor + invertor
2)And + or

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narayana murthy

@narayana-z4W16q • Apr 18, 2011

i think 2nd option is answer
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hexreader

@hexreader-VaeErh • Apr 19, 2011

narayana murthy
i think 2nd option is answer
I think you are alone in choosing option 2.

See #-Link-Snipped-#

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vikeshrajan

@vikeshrajan-OWBU0k • Apr 24, 2011

definitely 2 nd option is correct..............
because of these(OR and NOT)we will develop other gate i.e.NOR
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everett.pattison

@everettpattison-3yhnjP • May 3, 2011

The NAND gate (inverted AND gate) is considering the universal gate because you can create any of the other logic circuits (OR, NOR, NOT, etc.) from it.

Everett
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hexreader

@hexreader-VaeErh • May 3, 2011

vikeshrajan
definitely 2 nd option is correct..............
because of these(OR and NOT)we will develop other gate i.e.NOR
I agree that you can make a NOR gate out of OR and NOT.

Trouble is that the original post was this:

Which of the following can behave as a universal gate:

1) Xnor + invertor
2)And + or
Option 2 does not mention a NOT gate.

Definitely 2nd option is wrong.

Neither option can be used for a universal gate.
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