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The Central Processing Unit (CPU) is the chip that actually performs the calculations that drive a computer. The motherboard is the board on which the CPU sits, and has the bus on which data is passed to the various input and output sources. Motherboards also usually contain slots for accessory cards (sometimes called daughterboards) such as a video card or network card.

The motherboard would be considered the nervous system, arteries and internal organs of a computer. The Central Processing Unit (CPU) would be considered the brain of a computer.

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10y ago

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