dib definition by Webster's New World
dib - Computer Definition
(1) (Directory Information Base) Also called "white pages," a database of names in an X.500 system.
(2) (Device Independent Bitmap) An internal data structure in Windows for creating graphics that are not tied to a particular output device. DIBs contain more information than a BMP file so that they can be displayed or printed on any device. When stored on disk, however, they become BMP files. See BMP file.
(3) (Dual Independent Bus) An enhanced bus architecture from Intel first implemented on the Pentium Pro chip. It provided two buses; one for connecting the CPU to system memory and another for the cache. The DIB enabled Pentium II CPU bus speeds to jump from 66 MHz to 100 MHz.