Question

Guess me : I am black as night but filled with light. I can be seen, even through a screen. I hold many secrets.........I am black as night but filled with light. I can be seen, even through a screen. I hold many secrets, waiting for them to be discovered. What am I?

Answer 1

I think maybe it is a TV as it has screen and it is black 

Answer 2

It can be a computer. the monitor is black when it is off and it is full of light when it is on. It can be seen through its screen