Which of the following statements is false about universal logic gates?
AAll basic logic gates can be implemented through universal logic gates.
BNOR gate is known as universal logic gate.
CNAND gate is known as universal logic gate.
DAll basic logic gates cannot be implemented using universal logic gates.
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Correct answer: (D) All basic logic gates cannot be implemented using universal logic gates.
Explanation
NAND and NOR are universal gates precisely because AND, OR and NOT (and hence every other gate) can be built from them alone, so the statement that basic gates cannot be built from them is false.