Positive logic in a logic circuit is one in which—

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Positive logic in a logic circuit is one in which—

1. logic 0 and 1 are represented by negative and positive voltage respectively.
2. logic 0 and 1 are represented by negative and positive voltage respectively
3. logic 0 voltage level is higher than logic 1 voltage level
4. logic 0 voltage level is lower than logic 1 voltage level

Correct Option: D

NA