What are the individual dots which make up a picture on the monitor screen called?

Answer: Option C

The basic unit of programmable color on a computer display or in a computer image. Pixel is also define as dots per inch, which indicates the resolution of a image. Higher the dots per inch, higher the resolution of the image.
A common resolution for laser printers is 600 dots per inch. This means 600 dots across and 600 dots down, so there are 360,000 dots per square inch.