What component is typically responsible for storing long-term memory in a computer?

The hard drive is responsible for storing long-term memory in a computer, making it the correct choice. It serves as a persistent storage device where the operating system, applications, and user data are saved even when the computer is turned off. Unlike RAM, which is volatile and loses its data when power is lost, the hard drive retains information over extended periods, allowing users to access their data whenever needed.

This long-term storage capability is essential for everyday computing tasks, as it enables the storage of files that can be retrieved and used later. The hard drive can come in various forms, such as traditional spinning disk drives (HDDs) or solid-state drives (SSDs), both of which fulfill the role of long-term data storage effectively.