The biggest hurdle most restaurants face is the migration from a paper-pencil system to a completely automated touch-screen system. Most retail establishments choose to use a point-of-sale system to handle their transactions. For a restaurant, a POS system can greatly change the following problems plagued by typical ‘pen & paper’ establishments.
Restaurant accounting and bookkeeping is time-consuming, time-sensitive, and must be accurate. Restaurant managers are responsible for tracking multiple inventories and evaluating their labor and food costs against their revenue daily. Automating these processes and having accounting professionals maintain their records allows restaurant managers more freedom to meet the needs of their customers and staff.
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https://cdn2.hubspot.net/hubfs/1726470/restaurant%20one%20pager%20(1).pdf
https://www.ece.rutgers.edu/~marsic/books/SE/projects/Restaurant/2012-g2-report3.pdf