It is really important!!
The image sizing and resolution
OUR AWSOME WAY TO SHOW YOU HOW IT IS IMPORTANT...
low resolution
images not sharply defined.
high resolution
producing images that are sharp and finely defined.
bitmap
A representation in which each item corresponds to one or more bits of information.
This is why its important to know.
The small size of each pixel creates an illusion of continuous tone.Enlarging the image that reveals the actual pixels.