Discuss the top information systems used in business today. What do these information systems have in common? How do these information systems compare to those identified by your classmates? “An information system (IS) is a set of components that work together to manage data processing and storage. Its role is to support the key aspects of running an organization, such as communication, record-keeping, decision making, data analysis and more” [ CITATION Pic18 \l 1033 ]. Business intelligence systems (BIS) can be complex as they identify, extract and analyze data for various operational needs, particularly for decision-making purposes. BIS information systems may provide analyses that predict future sales patterns, summarize current costs and forecast sales revenues. Business intelligence systems collect data from the various data warehouses in an organization and provide management with analyses according to lines of business, department or any breakdown that management desires.