Printed-circuit-board definition

prĭntĭd
A flat plastic or fiberglass board on which interconnected circuits and components are laminated or etched. Chips and other electronic components are mounted on the circuits. Computers consist of one or more printed circuit boards, usually called cards or adapters .
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A substrate of dielectric material on which a printed circuit, silicon chips, and other components are mounted, and to which connectors are affixed so that the board can plug into a system chassis.A PCB serves a defined purpose. In telecommunications systems, for example, a PCB may provide the physical and logical interface to one or more digital or analog lines or trunks, may provide voice mail service, or may provide call processing logic. See also printed circuit.
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(electronics) A flat board that holds chips and other electronic components in layers that interconnect via copper pathways, often called traces.
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Other Word Forms

Noun

Singular:
printed-circuit-board
Plural:
printed-circuit-boards