Drawings with letters and numbers.?

Question

I see that people make symbols and large words out of numbers and letters. Is there a exact name for it.

Also is there a website with this. I really want to know what this called

Here's and example I found on Youtube.

☆┌─┐　─┐☆

　│▒│ /▒/

　│▒│/▒/

　│▒ /▒/─┬─┐

　│▒│▒|▒│▒│

┌┴─┴─┐-┘─┘

│▒┌──┘▒▒▒│

└┐▒▒▒▒▒▒┌┘

　└┐▒▒▒▒┌┘

!PEACE OUT!

Answer 1

ascii art

Answer 2

computer art?

Answer 3

well a lot of personal sites like MYspace have these signs.. i don't know the exact name but you can always copy & paste =)