Logic Families 4

4. Positive logic in a logic circuit is one in which :

(a)  Logic 0 and 1 are represented by 0 and positive voltage respectively
(b)  Logic 0 and, -1 are represented by negative and positive voltages respectively
(c)  Logic 0 voltage level is higher than logic 1 voltage level
(d)  Logic 0 voltage level is lower than logic 1 voltage level

Answer : (d)

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