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  4. Assertion: The logic gate NOT can be built using diode. Reason: The output voltage and input voltage of the diode have 180° phase difference.

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Q. Assertion : The logic gate NOT can be built using diode.
Reason : The output voltage and input voltage of the diode have 180° phase difference.

AIIMSAIIMS 2019Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

In diode, the output is in same phase with the input therefore it cannot be used to build NOT gate.