An interactive display system includes a display such as {TAIL ~ a cathode ray tube} , for example, and {HEAD ~ a display controller} 
An interactive display system includes a display such as { TAIL ~ a cathode ray tube } , for example , and { HEAD ~ a display controller }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD