Two voltages are -5 V and -10 V. In positive logic

• A. -5 V is 1 and -10 V is 0
• B. -10 V is 1 and -5 V is 0
• C. -5 V is 1 in some circuits and 0 in others
• D. -10 V is 1 in some circuits and 0 in others