Sztrik, JánosAlhaj Mohammad, Mazin2019-11-262019-11-262019-11-26http://hdl.handle.net/2437/276904At the beginning of the thesis, I talked about the Theoretical part of the queuing theory and its principles. Introducing the types of programs used for testing and examining the software packages by giving some examples and explanations, later then at the last chapter I talked about Queueing Network both open and closed classes.48enQueueing TheoryDEENK Témalista::Informatika