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Q. |
Which of following are known as universal gates? |
A. | nand & nor |
B. | and & or |
C. | xor & or |
D. | ex-nor & xor |
Answer» A. nand & nor | |
Explanation: the nand & nor gates are known as universal gates because any digital circuit can be realized completely by using either of these two gates, and also they can generate the 3 basic gates and, or and not. |
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