Answer:
you need thousands of me to create a digital image.
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I am long and slim works in light. Has but one eye and an awful bite.
Fatherless and motherless. I was born without sin. Roared when I came into the world, but I never spoke again. What am I?
If you're looking for something sweet I know what to do. But if you don't like heat I'm not for you.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.