How is this possible?

[Expozay]

I'm have troubles with using the right keywords for my search, on how to build this digital board and display the stuff I want on it. I'd appreciate if someone could send me a link to a tutorial or something of a wiki nature to accomplish this. Here's an image of what I'm trying to do.

[gondus]

The mod is computercraft, and that is a monitor.

That should give you a good enough explanation on how to do it.