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