Q. Which is known as the main printed circuit board (PCB) in a computer?
Answer: Motherboard
Notes: The motherboard is the main printed circuit board (PCB) in a computer. It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit (CPU) and memory, and provides connectors for other peripherals. Motherboard is also known as mainboard, system board, base board, planar board or logic board.

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