Matrox 4Sight User Manual page 195

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Contiguous memory
A block of physical memory occupying a single, consecutive
series of locations.
DCF
Digitizer Configuration Format. A DCF defines the input
data format and among other things, how to accept or
generate video timing signals such as horizontal sync,
vertical sync, and pixel clock.
DHCP
Dynamic Host Configuration Protocol. A server that
eliminates the need to assign and manage unique IP
addresses for all of the machines on a network.
Display memory
See frame buffer.
Driver
A software program that services an operating system so that
the operating system can use a hardware device.
Ethernet
A standard for the physical wiring and signalling on a LAN.
See also Local Area Network.
Ethernet cable
A wire similar to a telephone cable that carries the signals
between Ethernet devices.
Exposure time
Refers to the period during which the image sensor of a
camera is exposed to light. As the length of this period
increases, so does the image brightness.
Field
One of the two halves that make up an image. One half
consists of the image's odd lines (known as the odd field); the
other half consists of the image's even lines (known as the
even field).