The video data accesses and {HEAD ~ transfers} are handled by a microprocessor that interfaces with a controller by which an operator inputs {TAIL ~ instructions} 
The video data accesses and { HEAD ~ transfers } are handled by a microprocessor that interfaces with a controller by which an operator inputs { TAIL ~ instructions }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL