Management information systems are methods of using technology to help organizations better manage people and make decisions. Managers use management information systems to gather and analyze information about various aspects of the organization, such as personnel, sales, inventory, production or other applicable factors. Management information systems can be used to evaluate the performance of the organization as a whole, certain departments or even individuals. Other management systems, such as supply chain management and project management, are often included under the label of management information systems.
Decisions that are made by senior,middle and junior managers are normally based on sales figures. If sales are on the way up then management have to make decisions to keep on increasing sales or to invest the money in new technology. Like wise if sales are declining the management need this data in order to make cuts where they are needed. i.e Staff, production and research and development.