ARPANET and payment card: what they have in common

1. Step 1. ARPANET — has part — Router. The IMPs were the first routers.
2. Step 2. Router — has part — System on a chip (SoC). A packet-processing processor.
3. Step 3. System on a chip (SoC) — is a kind of — Integrated circuit. An SoC is a very complex integrated circuit.
4. Step 4. Integrated circuit — is part of — Payment card. An EMV chip.

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