**Positive Logic**: With reference to positive logic, logical 1 state is the most positive logic or voltage level and logic 0 state is the most negative logic or voltage level. In other words, active high level is 1 and active low level is 0. For instance, V(0) = 0V and V(1) = 5V, V(0) = 5V and V(1) = 15V.

**Negative Logic**: With reference to negative logic, logic 0 state is the most positive logic or voltage level and logic 1 state is the most negative logic or voltage level. In other words, active high level is 0 and active low level is 1. For instance, V(0) = 5V and V(1) = 0V, V(0) = 15V and V(1) = 5V.

Thus a **positive logic AND gate** acts as a **negative logic OR gate** and vice versa.

Hope you find the information presented here useful. Please leave your footprints in the comments section below for any feedback or queries.

fantastic defination of the positive and negative logic. but how the it can be obtain in gates circuit using led

Thanks ujju for the positive feedback. If I am assuming correct, you are taking about demonstrating positive/negative logic by creating circuits on bread board, is that correct?

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THANK U SIR ITS BEST DEFINATION FOR ME .

good explanation of logic