A board with microprocessors, transistors and other small electronic components (same as Printed Circuit Board).
An arrangement of electronic components wired together on a thin sheet of non-conductive material. The wiring is almost always printed on and within the card. Also the system board.
Also called the main circuit board-is a large circuit board that holds RAM, ROM, the microprocessor, custom integrated circuits chips, and other components that make the computer a computer.