What is a digital filter Give an exampleSolutionSolution Di
     What is a digital filter? Give an example. 
  
  Solution
Solution :
Digital filters term comes in signal processing. Digital filter is a device which is required to perform number or numerical calculation on the given set of sampled values. It is same as anolog filters in function but is far more accurate than them.
SImple example for a digital filter is three number averager

