In a typical PC to phone call, your computer receives your voice input via a microphone and then translates your voice into a 'data packet'.
在典型PC机打电话你收到你的声音输入计算机，再经由麦克风声音转化成你的数据包'。
How router sends packet back to PC?
如何路由器发送包到个人电脑？
When the NIC receives this "magic packet," it powers up the PC.
当网卡收到此“魔幻包”时，就开启PC。
When the NIC receives this "magic packet," it powers up the PC.
当网卡收到此“魔幻包”时，就开启PC。
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