What Type of Device Is Shown Below and What Input

Multiple Choice

What type of device is shown below and what input levels are required to turn the LED off?

A) The device is an open- collector AND gate and requires both inputs to be HIGH in order to turn the LED off.
B) The device is a Schottky open- collector AND gate and requires a low on both inputs to turn the LED off.
C) The device is an open- collector AND gate and requires only one low input to turn the LED off.
D) The device is a Schottky AND gate and requires only one low input to turn the LED off.