CH-3 INPUT AND OUTPUT DEVICE

    QUESTION   \  ANSWERS Q 1:- State the different types of mouse .Explain them. Ans:- There are three type of mouse:-             (1). Mechanical mouse  : this type of mouse has a metal or rubber ball on its lower side that can roll in all the directions.the screen pointer moves according to the movement of the ball which is detected by the mechanical sensors within mouse .              (2).  Opto-mechanical  : this type of mouse uses a mechanism similar to the mechanical mouse .they only difference is that it uses optical sensors to detect the movement of the ball .             (3).  Optical mouse  : optical mouse does not have any mechanical moving parts  Q2:- Differentiate between impact and non -impact printers . Ans:-                              Impact ...