At the back of the system unit you would see the power supply and ports. The power supply supplies the fuel (Power) for the computer. It supplies power to the motherboard, the drives and other parts. Another important part is a port.
A port is a connector at the back of a computer where you plug in an external devices such as a mouse, keyboard, monitor printer and other external devices. This allows instructions and data to flow between the computer and the device.
A port is a connector at the back of a computer where you plug in an external devices such as a mouse, keyboard, monitor printer and other external devices. This allows instructions and data to flow between the computer and the device.
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