An operations support system is a type of tactical information system is false.
Tactical information systems
Decision support systems include tactical information systems (TIS). However, they deserve independent research due to a number of peculiarities. They are able to duplicate the decision maker's skills in addition to supporting the decision-making process. Expert systems are typically the only ones capable of duplicating decision expertise. Studying the evolution of TIS is crucial for two reasons. Their design must first take into account the political realities of serving a group of users who may have competing objectives since they cross functional boundaries. Second, TIS may serve as the forerunner to expert systems. They possess the knowledge and have the authority to make decisions for the organization.
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