Answer:
Thousands of these come together to make a digital image. What is it?
What turns from red to black as soon as it touches water?
I am always hungry, I must always be fed. The finger I lick will soon turn red.
A tree with 5 branches, no leaves and no fruits
I go around in circles, but always straight ahead. Never complain, no matter where I am led.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.