DNS and computer: what they have in common

1. Step 1. DNS — uses — IP address. It translates names into addresses.
2. Step 2. IP address — is a kind of — TCP/IP. Part of IP.
3. Step 3. TCP/IP — is used in — Router. IP routing.
4. Step 4. Router — is part of — ARPANET. The IMPs were the first routers.
5. Step 5. ARPANET — has part — Computer. The nodes of the network are the computers of universities and laboratories.

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