| A | B |
|---|
| administrator | Top level of privilege in an operating system |
| Control Panel | Set of options that set default values of the Windows operating system |
| Graphical User Interface (GUI) | A program interface that includes screen elements such as dialog boxes, windows, toolbars, and menus that the user controls with a mouse or keyboard |
| operating system | A type of software program that determines how the processor interacts with the user and system components |
| Safe Mode | A mode of booting software which loads only the most essential parts of the operating system and does not load many of the utilities |
| system restore | Process of reinstating a previous set of operating system settings |
| screen saver | An image that usually moves around on a monitor that appears after a given period of keyboard or mouse disuse; used to prevent image burn on monitors |
| application program | A program such as a word processor, a spreadsheet, or a photo-editing program that uses the programs in the operating system |
| end-user license agreement (EULA) | A license to permit use of software that you install |
| file extension | The portion of a file name after the period within the file name; most often three characters; used to associate a file to an application program but not required by all operating systems |
