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'。

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How router sends packet back to PC?

如何路由器发送包到个人电脑？

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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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Satellite, surprisingly, came out as having the best throughput although before you rush out to get satellite service remember that the roundtrip latency (the time it takes a data packet to go from your PC to its destination and for an acknowledgement to come back) over a satellite connection is often in the range of 900 milliseconds to 1, 400 milliseconds.

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