POINTING DEVICE FOR A COMPUTER AND COMPUTER COOPERATING WITH A POINTING DEVICE
The mouse or stylus typically used in a personal computer utilising a graphical user interface has hitherto been used solely as a position indicating device and to send basic control signals. This invention discloses providing the mouse or stylus with an internal data store, together with a data communications facility, enabling a variety of new features to be provided, including a software copy protection procedure and automatic access to a predefined security level.