A CDE Definition
A pattern or picture used to represent the desktop surface (screen background) in a graphical user interface (GUI). Although many wallpaper options come with each operating system, such as random images from the user's folder, any single image can be used. Many cellphones allow custom wallpapers for their screen backgrounds.
Live wallpaper displays some moving object or continuous scene change for people who like the glitz of animation. However, in a portable device, live wallpaper is a battery drain.
Why Cover a Desktop with Wallpaper?
Years ago, someone who had too many sleepless nights programming must have thought it a great analogy because a screen desktop is vertical like a wall. With Windows XP, Microsoft decided to end the mystery and just call it "Background." See desktop.
(1) Synonymous with desktop computer. For example, the phrase "the IT department supports 150 desktops" means it is responsible for maintaining 150 user computers. In such cases, laptop computers may be counted as desktop computers.
(2) A prefix attached to the name of personal computer applications that perform functions previously available only on large workstations and mainframes; for example, "desktop publishing" and "desktop mapping." With the advent of smartphones and tablets, "mobile" replaced desktop as the prefix in vogue.
(3) The screen appearance after logging onto a desktop computer. The desktop is actually a folder that holds files and folders like any other folder; however, it remains on screen in the background at all times, ostensibly simulating a physical desktop. The desktop also includes menus and icons for launching applications and managing the computer. See wallpaper.
A True Desktop
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Terms By Topic
Click any of the following categories for a list of fundamental terms.