Ethernet ports e vacuum pump: o que têm em comum

1. Passo 1. Ethernet ports — faz parte de — Router. Ethernet ports.
2. Passo 2. Router — utiliza — Packet switching. It forwards packets.
3. Passo 3. Packet switching — funciona como — Electrical telegraph. An analogy: telegraph messages were passed from station to station with intermediate storage — a “store and forward” principle similar to packet transmission.
4. Passo 4. Electrical telegraph — tem como parte — Eletroímã. Morse’s receiver.
5. Passo 5. Eletroímã — é utilizado em — Mass spectrometer. Deflecting ions with a field.
6. Passo 6. Mass spectrometer — tem como parte — Vacuum pump. A vacuum system.

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