GRAPHICAL USER INTERFACE Q) WHAT IS GUI ? ANS) GRAPHICS USER INTERFACE (GUI) 1) GUI ARE SYSTEMS THAT ALLOW CREATION AND MANIPULATION OF USER INTERFACE . 2) GUI ARE A PROGRAM INTERFACE THAT TAKE ADVANTAGE OF THE COMPUTER'S GRAPHICS TO TAKE THE PROGRAM EASIER TO USE . 3) EXAMPLE OF GRAPHICS USER INTERFACE ARE FOR DESKTOP :- Microsoft Window Mac OS Ubuntu unity GENOME Shell FOR ANDROID Apple's iOS BlackBerry Os . Q) WHAT IS POINTER ? ANS ) A SYMBOL THAT IS APPEAR ONE THE DISPLAY SCREEN AND THAT YOU MOVE TO SELECT OBJECT AND COMMANDS . POINTER DEVICE :- MOUSE AND TRACKBALL . Q) WHAT IS ICONS ? ANS) SMALL PICTU...