Let's make the computer of the future-an enormous graphics card mounted into a case, carefully seated into a tiny motherboard that consists of some USB ports and a connector for the power switch.

想象我们未来的电脑变成——一块巨大的显卡装在一个箱子里，小心地放在一块小小的主板上，上面只有几个USB接口和一个电源插口。

youdao

This protrusion (which is removeable) provides access to a multi-function button, volume controls, power switch and micro-USB port for charging.

ENGADGET

Toward the right, you've got the USB type B connector that runs to your laptop, the AC adapter jack, and the master power switch.

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