Which type of software requires no human interaction?

System software is designed to manage the hardware components of a computer and provide a platform for running application software. It includes the operating system and any program that supports application software. Because system software operates in the background, it allows the user to interact with the application software without needing to engage with system functions directly. Examples include operating systems like Windows, macOS, and Linux, which perform tasks such as memory management, process management, device management, and file management automatically and without direct user intervention.

In contrast, application software, utility software, and database software generally require some level of human interaction to perform tasks. Application software is designed for end users to perform specific tasks, utility software helps maintain and optimize the performance of the computer but also requires user input, while database software often relies on user commands to retrieve and manipulate data. Thus, system software uniquely embodies the concept of running autonomously in the background, facilitating an environment where all other types of software can function effectively.