Rather, the programmable electronic component coupled to any subsequent circuit boards requires only {HEAD ~ the reference programmable electronic component} to copy its contents upon receiving address and control signals from the external source to perform {TAIL ~ such an operation} 
Rather , the programmable electronic component coupled to any subsequent circuit boards requires only { HEAD ~ the reference programmable electronic component } to copy its contents upon receiving address and control signals from the external source to perform { TAIL ~ such an operation }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL