The correct answer is C. Expert system.
An expert system is a computer program that contains the distilled knowledge of an expert. It is used to solve problems that require human expertise. Expert systems are typically used in fields such as medicine, law, and finance.
A database management system (DBMS) is a computer program that is used to create and manage databases. A database is a collection of data that is organized in a way that makes it easy to retrieve and use. DBMSs are used in a variety of applications, such as accounting, inventory management, and customer relationship management.
A management information system (MIS) is a computer system that is used to collect, store, and analyze data for decision-making. MISs are used in a variety of organizations, such as businesses, government agencies, and hospitals.
Artificial intelligence (AI) is a field of computer science that deals with the creation of intelligent agents, which are systems that can reason, learn, and act autonomously. AI is used in a variety of applications, such as robotics, natural language processing, and computer vision.
None of the above is not the correct answer.