Red is a primary color, you can't mix 2 to get red. Blue is primary, too, and so is yellow. You can mix any of the above colors to make another color. ie: red and yellow make orange. red and blue make purple. blue and yellow make green. yellow and green make light green. white and red make pink.
Difference between Optical Mouse and Laser Mouse. Key Difference: The optical mouse uses a light-emitting diode, while a laser mouse uses a laser in order to detect movement. A mouse is hardware that is required when trying to navigate on a desktop PC. However, many people these days also use a mouse on their laptops as it makes navigation easier.
Optical Mouse vs Laser Mouse. People using desktop PCâs know the importance of mouse. Mouse is a hardware device which is used to input data in the computer. Firstly people used ball mouse for there PCâs but after the invention of Optical and Laser mouse, the use of ball mouse has minimized. Ball mouse was heavy from these mice and it could not function faster than these mice.