railway RRB JE (CBT I + CBT II) Mock Test 2024 Digital Electronics Logic Families Positive and Negative Logic
Two voltage given as -2 V and -1 V in positive logic convention represent:
1
-2 V is logic 1 and -1 V is logic 0
2
-5 V is logic 0 in some circuit and 1 in the other
3
-2 V is logic 0 and -1 V is logic 1
4
-5 V is logic 1 in some circuits and 0 in the other