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Which of the following logic gates is an...

Which of the following logic gates is an universal gate?

A

`OR`

B

`NAND`

C

`AND`

D

`NOT`

Text Solution

Verified by Experts

The correct Answer is:
B
The `NAND` gate and the `NOR` gate can be said to be universal gates since combinations of them can be used to accomplish any of the basic operations and can thus, produce and inverter, an `OR` gate or an `AND` gate. The non-inverting gates do not have this versatility since they can't produce an invert.
The basic symbol and truth table of `NAND` gate are shown.
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