Using binary to represent images

Question 1

What does metadata contain?

Answer 1

The height of the image in pixels.
The width off the insane in pixels.
Colour depth: The number of bits available to represent each pixel.
Resolution: The pixels per inch (PPI) - if the pixels per inch is high, then the resolution and image quality is also high.

Question 2

Effects of increasing color depth

Answer 2

Wider range off colours.

Bigger file size.

Question 3

Effects of increasing resolutions

Answer 3

More pixels - larger in size