跳到步骤＃4
步骤行
| + | [title] PSU (Power supply unit) |
|---|---|
| + | [* black] Most personal computers can be plugged into standard electrical outlets. The power supply then pulls the required amount of electricity and converts the AC current to DC current. It also regulates the voltage to eliminate spikes and surges common in most electrical systems. |
| + | [* black] Power supplies are rated in terms of the number of watts they generate. The more powerful the computer, the more watts it can provide to components. |
| + | [* black] (Underneath is the power supply) |
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