JJP / PATRICK DUMAS / EURELIOS / SCIENCE PHOTO LIBRARY JJP / PATRICK DUMAS / EURELIOS / SCIENCE PHOTO LIBRARY
Computer circuitry, conceptual image. Binary code (ones and zeros) overlying a computer artwork of a printed circuit board (PCB). A PCB is a circuit printed to a standard pattern using a template. This image represents the use of printed circuitry in computers. Computers are programmed using binary code in the form of on-off switches in the underlying computer circuitry.
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