The data processor also has {HEAD ~ a command processor} for processing {TAIL ~ commands} received from the dedicated modules 
for processing
The data processor also has { HEAD ~ a command processor } for processing { TAIL ~ commands } received from the dedicated modules
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH