{TAIL ~ The microprocessor} 18 handles the interface to the controller 20, {HEAD ~ the channel interface} 16 and the RAM 12, as well as determining when to read/write the video in the RAM to/from the disk drive 14 
{ TAIL ~ The microprocessor } 18 handles the interface to the controller 20 , { HEAD ~ the channel interface } 16 and the RAM 12 , as well as determining when to read / write the video in the RAM to / from the disk drive 14
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH