A computer professional who studies an existing system with a view to evolving a computer-based system from it is called?

A computer professional who studies an existing system with a view to evolving a computer-based system from it is called a system analyst. The system analyst is responsible for analyzing an existing system, identifying its strengths and weaknesses, and developing solutions to improve its functionality. They work with end-users, stakeholders, and developers to design and implement computer-based systems that meet the needs of the organization. The system analyst must have a deep understanding of both the business processes and the technical aspects of the system to ensure that the new system meets the requirements of the organization.