58Appendix C: Glossary
•ASIC
•Backplane
A circuit board that acts as a pathway between multiple boards. For example, if a backplane is inserted between the VMChannels of two Matrox
•Band
One of the surfaces of a buffer. A grayscale image requires just one band. A color image requires three bands, one for each color component.
•Bandwidth
A term describing the capacity to transfer data. Greater bandwidth is needed to sustain a higher transfer rate. Greater bandwidth can be achieved, for example, by using a wider bus.
•Bit
A digit of a binary number. Images are described as
•Bus
A pathway along which signals are sent, generally in two directions, for communication of data.
•Color component
One of the components that make up a color space. Typically, each component of a color image is stored in a separate band of a