Abstract

A model for a real-time minicomputer oporating system is described in this paper. The approach taken here was to use the GPSS simulation language to test the efficiency of the operating system model. The model allows the system analyst to experiment with different configuration of priority task and priority devices mixture that can run on the minicomputer operating system. The main objective of this simulation is to identify the devices that may bottleneck the system and to find out how many tasks can be efficiently run on the system at the same time. A secondary objective of this paper is to acquaint the minicomputer user with using the simulation tool to model his own hardware configuration. The analyst can use the existing operating system or can develop his own minicomputer operating system. The simulation results reported in this paper show that the efficiency of tho operating system is highly dependent on the speed of the peripheral device. The paper is structured so that the system analyst will bec...

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