Final answer:
When you purchase a personal computer, it usually has an operating system installed on its hard disk. Common operating systems include Windows, macOS, and Linux.
Step-by-step explanation:
When you purchase a personal computer, it usually has an operating system installed on its hard disk. When you purchase a personal computer, it usually has an operating system installed on its hard disk. Common operating systems include Windows, macOS, and Linux.
An operating system is the software that manages computer hardware and software resources and provides common services for computer programs. It acts as an intermediary between the user and the computer hardware, allowing the user to interact with the computer.
Common operating systems include Windows for PCs, macOS for Macs, and Linux, which is an open-source operating system.