This assignment examines the impact of IT systems on business productivity, focusing on Human Resource Information Systems (HRIS) and Management Information Systems (MIS). It provides a comprehensive analysis of various IT systems, including platform-as-a-service clouds and their security problems. The report also includes practical solutions for making models indispensable in conservation decision-making and research directions for the Internet of Things. Furthermore, it discusses the three fundamental roles of information systems in business, such as planning, controlling, and coordinating activities.