Matrox orion HD - Page 37

Glossary 37
• DDR2 SDRAM
Double Data Rate2 Synchronous Dynamic Random Access Memory. A type of
memory used for image capture and processing. SDRAM allows the Matrox Orion
HD to access data at very high speed, which is important for I/O-bound functions.
• Decoder
A device which separates the various components of a composite video signal and
converts the information into digital format.
• Deserializer
A device that converts serial data to parallel data.
• Digital Visual Interface
See DVI.
• Digitizer Configuration Format
See DCF.
• Display memory
A storage area used for storing data that is being displayed. Since a computer sends
out data faster than a screen can display it, the data is temporarily stored in display
memory.
•Driver
A software program that services an operating system so that the operating system
can use a hardware device.
•DVI
Digital Visual Interface. A video interface standard designed to provide very high
quality on digital display devices or from video sources.