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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).
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