How does understanding the data stored by a file extension help you better use a computer

True

Explanation:

When you watch your favorite program or movie on a TV or video projector, you see what appears to be a series of complete images, like a photograph or film. However, appearances are deceiving. If you get your eyes close to a TV or projection screen, you'll see it is made up of little dots that are lined up in horizontal and vertical rows across and up and down the screen surface.