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