What is the 'realtime' process priority setting for?

Question

From what I\'ve read in the past, you\'re encouraged not to change the priority of your Windows applications programmatically, and if you do, you should never change them to

Answer 1

It basically is higher/greater in everything else. A keyboard is less of a priority than the real time process. This means the process will be taken into account faster then keyboard and if it can't handle that, then your keyboard is slowed.