3) coordinating the interaction between hardware and software
6) displaying the GUI
Explanation:
An operating system is a software that supports the primary functions of a computer. The most used operating system is Microsoft Windows, but there are others like Linux and macOS. Operating systems perform tasks like the allocation of resources as memory and processors, controlling the coordination between software, hardware and users and detecting errors and problems among them. Also, operating systems create and maintain the File Allocation Table (FAT) on a hard disk and most of them use a Graphical User Interface (GUI) that allows everything to be displayed on the computer screen.
If there is a yellow shield next to the wireless icon, this indicates that the connection is functioning but is not secured. In this case because she's using the hotel guest wifi, I would tell her to switch to a more secure network or to disregard the error.
