Question 9) What is a dot size?
A dot is also called pixel, a short name for pic-ture el-ement. The size of a computer graphics can be easily calculated by its pixel size and number of colors, if it is stored without any compression. For example, the file size of a graphics of 360x216 pixels and 256 colors will be 360 x 216 x 8 bits = 77,760 bytes.
