What are the various models of information systems? Discuss the stages in a System Development Life Cycle (SDLC).

Management Information Systems (MIS) play a crucial role in supporting decision-making, coordination, control, analysis, and visualization in organizations. Various models of information systems exist to cater to different business needs. These models help structure and streamline the flow of data, ensuring that an organization can operate effectively. Some of the key models of information systems include:

1. Transaction Processing System (TPS): This is one of the foundational models in MIS. It handles the day-to-day transactions of an organization, such as order processing, payroll, and inventory control. TPS is designed for high-volume, repetitive tasks that are essential for the basic operation of a business.

2. Management Support Systems (MSS): These systems are designed to support managerial decision-making processes. They often include Decision Support Systems (DSS), ______ ___ _______ ______ _____ _____ _____ _______.
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