Question

What is wallpaper?

1) a rectangular box that an interface operates in
2) the screen that is visible when the computer is turned on
3) an image or set of images on the background of the desktop
4) a small picture used as a shortcut to access a program or tool

Answer 1

The answer is 3) an image or set of images on the background of the desktop

Answer 2

3) an image or set of images on the background of the desktop