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expansion slot[ik′span·shən ‚slät]
A location in a computer system where additional facilities, especially circuit boards, can be plugged in to extend the computer's capability.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A connector in a computer into which an expansion card can be plugged. The connector supplies power to the card and connects it to the data bus, address bus and control signals of the motherboard.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
expansion slotA receptacle inside a computer or other electronic system that accepts a printed circuit board. The number of slots determines future expansion. See PC data buses, expansion port and expansion card.
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