Definition of accelerator board in English:

accelerator board

Syllabification: ac·cel·er·a·tor board
(also accelerator card)

noun

An accessory circuit board that can be plugged into a computer to increase the speed of its processor or input/output operations.
More example sentences
  • I did some digging on Google and found that MS Flight Sim 2000 requires at least a Pentium 166 MHz processor, 32 meg RAM for Windows 9x machines, and an optional 3D graphics accelerator card.
  • All a kid needs is some familiarity with computers and, in most cases, a PC equipped with at least a 4-megabyte, 3D graphics accelerator card, a feature found in many computers sold in the past year or so.
  • One of the essentials for PC gaming, the 3D accelerator card, was literally not known in most hardware outlets nearly two years ago.

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