A subprogram which operates as a MS/PC DOS device driver provides a communication path between {HEAD ~ a data acquisition program} which operates as {TAIL ~ an interrupt driven memory resident program} in background and a conventional data analysis program which operates in foreground 
operates as
A subprogram which operates as a MS / PC DOS device driver provides a communication path between { HEAD ~ a data acquisition program } which operates as { TAIL ~ an interrupt driven memory resident program } in background and a conventional data analysis program which operates in foreground
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH