55
NTSC
The name for the type of analog television signal used throughout the
Americas (except Brazil) and in Japan. It draws a total of 525 vertical
interlaced frames of video at a refresh rate of 60 Hz, making it relatively
flicker-free. The acronym refers to the National Television Systems
Committee, which devised this color video standard in 1953.
Offscreen Memory
An area of memory used to preload images so that they can be quickly drawn
to the screen. Offscreen memory refers to all of the remaining video memory
not taken up by the front buffer, which holds the contents of the display screen
currently visible.
OpenGL
®
Short for “Open Graphics Library,” this is an industry standard for cross-
platform 3D graphics development. It consists of a large number of functions
that can be called upon in various programs, such as games, CAD, and virtual-
reality systems, to produce complex 3D objects from simpler, more
“primitive” building blocks. Implementations currently exist under
Windows
®
, Mac OS
®
X, and various forms of Unix, including Linux
®
.
PAL
An acronym for “Phase Alternating Line”, the name for a video broadcast
standard used in much of Europe (except France), most of Asia, the Middle-
East, Africa and Australia. It draws a total of 625 vertical interlaced frames of
video at a refresh rate of 25 Hz.
PCI
Acronym for “Peripheral Component Interconnect”, which is the
specification for a type of computer bus used for attaching computer
peripherals to a computer’s motherboard. PCI encompasses both integrated
motherboard components (such as built-in graphical processors) and
peripherals that fit into an expansion card slot, such as a separate graphics
card. PCI replaced the older ISA and VESA bus standards, and was itself
superseded by the AGP standard for the main graphics card bus.
hightech_maib -- HIGHTECH -- 202.82.32.137
-- Monday, October 30, 2006
Summary of Contents for 100 437807 - Radeon X1950 Pro HD PCI Express 256MB Video Card
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