Questions

In 1960s AT&T introduces its Data phone, the firstcommercial modem. The first commercial modem made for converting digital computer data at analog signalsfor transmission across long distance networks

There are two IP address assigned to each device on a Wi-Fi network.

An Internal (Private) and an External (Public) IP address.

Internal IP address is used for communication between Your computer and a smartphone or whatever devices that are connected to that Wifi network. This is unique for each. If they are same the system cannot differentiate between each device.

While, the External IP address is that visible to the the internet - the websites, the internet connected Apps so on. By default, Routers with NAT (all routers today have it) assign same Public IP address to all devices under its network.

In 454 B.C, laws were codified in Rome. The laws were written on tablets of wood and were known as 'Laws of Twelve Tables'.

It is a collection of routers under the control of a single administrative authority and that uses a common Interior Gateway Protocol

The most malleable metal is Gold.