👉 A queueing system is a type of computer simulation model used to analyze the behavior of systems in which customers or items are processed sequentially, one after another. It simulates the flow of transactions and the movement of resources within an organization's operations. Queueing systems can be used for various purposes such as forecasting demand, optimizing inventory levels, managing customer service, scheduling events, and more. They are commonly used in telecommunications, transportation, manufacturing, finance, and other industries to analyze processes and make informed