الفهرس 
Configuration of the Service SystemOnly 14 pages are availabe for public view
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Abstract
In general, we do not like to wait. But reduction of the waiting time usually requires extra investments.To decide whether or not to invest, it
is important to know the effect of the investment on the waiting time. So,
we need systems and techniques to analyze such situations. In our study we treat two elementary queueing systems. Attention is paid to methods for the analysis of these systems, and also to applications of queueing systems. Queueing theory has played as one of the most dominated theories of applied probability and stochastic
models.