Final answer:
During the 1990s, Health Information System Managers were largely responsible for overseeing and managing the use of computers in clinical and administrative systems in hospitals.
Step-by-step explanation:
In hospitals during the 1990s, the type of professional largely responsible for overseeing and managing the use of computers in clinical and administrative systems was the Health Information System Manager.
These professionals were responsible for implementing and maintaining computer systems in healthcare settings, ensuring that information was accurately recorded, stored, and shared. They played a crucial role in managing electronic health records, scheduling systems, billing systems, and other computer-based applications.
By leveraging technology, Health Information System Managers helped healthcare institutions improve efficiency and accuracy in their operations, leading to better patient care and outcomes.