Correct option is C
Ans. (c)
Sol. A GUI (Graphical User Interface) allows users to interact with the system using visual elements like icons, buttons, windows, and menus, rather than typing commands. It makes computer operation easier, especially for users without technical background.
Related Info: Windows OS is GUI-based, making it ideal for beginners. Linux also supports GUI environments like GNOME, KDE, or XFCE, although it also allows command-line use for advanced tasks.