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