Printed Circuit Board (PCB) refers to an electrical board that comprises conductive pathways etched onto a non-conductive material. These boards are typically made from materials such as plastics, fiberglass, or composite epoxy, and have copper tracks printed on them to connect various electronic components such as resistors, transistors, and integrated circuits (ICs). Apart from providing a sturdy mechanical support to electronic components, PCBs also facilitate the smooth flow of electric current between them.
PCBs have found widespread application in various electronic and computing devices, including network cards, motherboards, graphics cards, internal hard drive circuit boards, as well as in everyday gadgets such as TV, digital cameras, laptops, and mobile phones. They offer a compact and efficient solution for connecting and powering electronic devices, thereby making them an integral part of modern technology.