![]() While the PCBs found in mobile devices look similar to those found in desktop computers and large electronics, they are typically thinner and contain finer circuitry. Most TVs, radios, digital cameras, cellphones, and tablets include one or more printed circuit boards. While PCBs are often associated with computers, they are used in many other electronic devices besides PCs. These components all connect to the motherboard, which is also a printed circuit board. They serve as the foundation for many internal computer components, such as video cards, controller cards, network interface cards, and expansion cards. PCBs are used in both desktop and laptop computers. Conductive pathways are etched or "printed" onto board, connecting different components on the PCB, such as transistors, resistors, and integrated circuits. ![]() Stands for "Printed Circuit Board." A PCB is a thin board made of fiberglass, composite epoxy, or other laminate material. ![]()
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