IM SORRY FOR NOT POSTING FOR SO MUCH OF TIME ... BUT NOW I AM BACK WITH MANY COOL EFFECTS ...~~~~~~~~~ SO ENJOY~~~~~~~~~
Start a new document of size 400x400 pix make sure u select the background as white and press 'd' to reset the colour to the photoshop defaults i.e. black foreground and white background.
Now let us add some falling grains to the image for that go to
Filter>Texture>Grain and add the settings as
u will get this
Let's add some glow to it so what it shines more
after adding u will get this
now it look a bit similiar isn't it. Let's make it a bit sharper so it looks better.
Select Filter>Sharpen>sharpen More
and our matrix effect is ready.
here is what i got.