Answer:
D. There is a set of icons that represent the OS tasks.
Step-by-step explanation:
A GUI meaning: Graphical User Interface is a set of interactive visual components for computer software. A GUI displays objects that convey information, and represent actions that can be taken by the user.
GUI objects include icons, cursors, and buttons. These graphical elements are sometimes enhanced with sounds, or visual effects like transparency and drop shadows.
A GUI is considered to be more user-friendly than a text-based command-line interface.