A satellite system for controlling real-time experiments |
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Authors: | M. A. Derr C. E. Wright A. S. Coriell |
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Affiliation: | 1. Bell Telephone Laboratories, 07974, Murray Hill, New Jersey
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Abstract: | In this paper, we describe a computer system for controlling real-time psychology experiments. We begin by considering the kinds of experiments that are performed in our laboratory and examining the hardware and software requirements of these experiments. We then review various systems along a continuum ranging from general-purpose timesharing systems to stand-alone dedicated processors. The capabilities of these systems are described in comparison with our requirements. The features of the PARASITE-FS system are then described. This host-satellite system includes a local file system and monitor program, real-time device drivers with flexible interrupt processing capabilities, user-level routines for controlling the real-time devices, and a package for controlling the timing of experimental events. |
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