{HEAD ~ A hard drive} 41 or other memory device 14 may be used as {TAIL ~ an input device} whether resident within the node 11 or some other node 52 on the network 30, or from another network 50 
used as
{ HEAD ~ A hard drive } 41 or other memory device 14 may be used as { TAIL ~ an input device } whether resident within the node 11 or some other node 52 on the network 30 , or from another network 50
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH