What is the significance of the inverted triangles on the outputs of the device in the given figure?

mcq12_1012_1 (1)

[A].	They represent inverters and mean that the outputs are active-LOW.
[B].	They represent buffers and mean that the outputs can drive 40 TTL loads, instead of the normal 10.
[C].	It means that the outputs will be active only if a change has occurred at that memory location since the last read/write cycle.
[D].	The outputs are tristated.

Answer: Option D

Explanation:

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