Q. The S-R latch composed of NAND gates is called an active low circuit because

A
It is only activated by a positive level trigger.
B
It is only activated by a negative level trigger.
C
It is only activated by either a positive or negative level trigger.
D
It is only activated by sinusoidal trigger.
Solution:

Active low indicates that only an input value of 0 sets or resets the circuit.

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