Q. 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.