expansion board

Scientific  

1. A printed circuit board that can be installed to enhance a computer's capabilities, as by increasing memory or improving graphics.

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Example Sentences

With its mixture of quirky information and schoolboy humour, McDonald Gill's publicity poster for the Tea Market Expansion Board was a cheering rallying cry in a time of conflict In 1940, Britain was enduring the darkest days of the second world war.

From The Guardian

To make U. S. inhabitants even more ardent tea drinkers has long been the aim of the International Tea Market Expansion Board in general, and Mr. Gervas Huxley in particular.

From Time Magazine Archive