Correct option is D
The correct answer is (d) Printed Circuit Board
In electronics, PCB stands for Printed Circuit Board. It is a flat board that mechanically supports and electrically connects electronic components using conductive tracks, pads, and other features etched from copper sheets laminated onto a non-conductive substrate.
Information Booster:
PCBs are used in almost all electronic devices, from smartphones to industrial machinery.
Components like resistors, capacitors, and microchips are soldered onto PCBs.
Common types of PCBs include single-layer, double-layer, and multi-layer boards.
PCB design software includes tools like Eagle, KiCad, and Altium Designer.
PCBs replaced traditional point-to-point wiring, improving reliability and reducing manufacturing costs.
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