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Term Definition

Graphics Processing Unit -- The physical "chip" (a semiconductor) that performs all graphics computations in a system. A GPU is comprised of a silicon processor -- not unlike a CPU -- atop a substrate, which is then mounted to the host video card (or directly to the motherboard, in the case of laptops, tablets, and phones). Modern CPUs will also contain an "IGP," or Integrated Graphics Processor, which is effectively a compartmentalized GPU that shares chip space with the CPU.

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Author: Steve Burke

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