Read-only file A file that you can read but cannot make changes to. The part of a database that contains a number of different pieces of information, or fields, about a single subject, such as a person's name, address, and telephone number. Reduce To minimize a window to an icon at the bottom of the desktop by using the Minimize button or the Minimize command. A minimized application continues running, and you can select the icon to make it the active application. An electromagnetic switch used to complete electrical circuits.
Resolution Indicates the number of dots that make up an image on a screen or printer.
The larger the number of dots, and thus the higher the resolution, the finer and smoother images can appear when displayed at a given size. Measured on the printer in dots per inch, or DPI, and on the computer monitor number of pixels wide by number of pixels high. The contents of this memory is retained even when the computer is turned off. The top-level directory of a disk. The root directory is created when you format the disk.