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Which of the following logic gate is an ...

Which of the following logic gate is an universal gate?

A

NAND gate

B

AND gate

C

OR gate

D

NOT gate

Text Solution

Verified by Experts

The correct Answer is:
A
NAND gate

`y=bar(AB*B)=bar(AB)+barB`
`=barA+barB+barB`
`=barA+barB`
`y=bar(A*B)` (De-morgan method)
which is NAND gate.
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KUMAR PRAKASHAN-SEMICONDUCTOR ELECTRONICS : MATERIALS, DEVICES AND SIMPLE CIRCUITS -Section-D : Multiple Choice Questions (MCQs) (MCQs asked in Competitive Exams)
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