1 why is it important for business professionals to know about mis: Information systems are used in all sorts of corporate functions and it is helpful for business professionals to have knowledge about mis and the different types. The decisions concerning what functions should be included in corporate information systems is too important to be simply left to the techies. Every business professional should become informed users of mis and help system designers to design better systems. They can assist in defining business and system requirements. They will also have to frequently interact with techies in order to help debug existing systems and even to generate ideas for new applications to improve the company"s competitive position. Explain the difference and the relationship between information technology (it) and information systems (is): Information technology and information system are two closely related terms, but they are different. It refers to methods, inventions, standards, and products.