PDI

What is?
the blackboard digital Interactive is as a big computer screm, and whit a pen you can do everythin.
In the next scerm there is a computer that when you move the mouse in the blackboard come out as you move the mouse.Is a computer but the next there is a big computer screm.


Positive things:
the positive is that you can use always, when you whant and you haven't use the pojector, you cas use film, do works etc...
but there are a problem because when there are another class that need use we can change the class.