Within said data processing system, a system electronics is operatively coupled to {HEAD ~ a sensor} and to said {TAIL ~ data storage device} 
Within said data processing system , a system electronics is operatively coupled to { HEAD ~ a sensor } and to said { TAIL ~ data storage device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL