B. an electronic multiple page buffer memory for receiving and storing {TAIL ~ such a series} of {HEAD ~ electrical signals} 
B. an electronic multiple page buffer memory for receiving and storing { TAIL ~ such a series } of { HEAD ~ electrical signals }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD