(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.