Both Windows and Macintosh systems are based on Graphical User Interface or GUI , which simply means that the interface uses graphics or pictures to help the user navigate and access programs. When you first turn on a new computer, most of the screen will be plain blue or blue with a logo or design. This background graphic is called Wallpaper . It is essentially a backdrop for your work area. Another important graphic feature that you will find on a desktop is an icon .
Icons are small pictures that are linked to programs.
Certain icons are a permanent fixture on the desktop. The user can put other icons on the desktop that will quickly access programs or files - like a shortcut. Icons can be moved around on the desktop by clicking and dragging them. One of the most important icons on the desktop is My Computer , which accesses drives, printers, the Control Panel and other system applications. Another important icon that you should know about is the Recycle Bin .