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