What is the largest and most important integrated circuit board in a microcomputer?

The largest and most important integrated circuit board in a microcomputer is the motherboard.

Motherboard (English: Motherboard, Mainboard, Mobo for short), also known as motherboard, system board, logic board, motherboard, backplane, etc., is the center or main body of complex electronic systems such as electronic computers. circuit board.

The motherboard is generally a rectangular circuit board, on which are installed the main circuit systems that make up the computer. Generally, there are BIOS chips, I/O control chips, key and panel control switch interfaces, indicator light connectors, and expansion slots. , DC power supply connectors and other components for motherboards and plug-in cards.

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