ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Printed circuit board. Computer artwork of a printed circuit board (PCB). A PCB consists of tracks of a metal conductor (white) on a board made of insulating material, which form a circuit with connection points (circles). A number of components can be attached at the connection points, including resistors, transistors, microchips, dials and switches. PCBs are used in most electronic products, including mobile phones and computers.
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