与计算机连接的设备，包括输入设备，存储设备，和输出设备。
Device that interact with computers, including input devices, storage devices, and output devices.
所有与计算机连接的CPU以外的设备都可以被认为是周边设备。
All computer associated devices external to the CPU can be considered peripheral devices.
关闭与计算机连接的所有外设的电源。关闭计算机并断开交流电源线。
Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord.
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