Answer:
you need thousands of me to create a digital image.
What comes in many different sizes but is always only 1 foot long?
What force and strength cannot get through I with my unique teeth can do.
I am black within and red without; with four corners round about. What am I?
Travel a mile and I will change, travel a million and I will end as I started. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk