2. An automated data entry and display system as claimed in claim 1, wherein display control keys are mounted on the wand and is electrically connected to the display means, each such key being adapted to generate and transmit to the display means electrical control signals and wherein said display means are adapted to receive said wand key signals and be responsive thereto.
3. An automated data entry and display system as claimed in claim 2, wherein the wand has mounted on it a display device adapted for electrical connection to display control means wherein at least some of the characters displayed by the display means are characters read by the wand.