(i) Mouse-They are of three types: Standard mouse, optical mouse and cordless mouse.
(ii) Trackball-Works like a mouse only that ts ball is at the top.The user rotates the ball to control the cursor movement.
(iii)Joystick-used for playing computer games.
(iv)Light pen and stylus-A stylus is used on devices like PDAs that recognizes commands and written data while a light pen operates by detecting the commands.
skilled writter answered the question on March 23, 2018 at 08:09
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