Answer :

A communications device makes it possible for multiple computers to exchange instructions, data, and information.

We can define a communication device as a kind of hardware device that makes it possible to transmit information between multiple computers.

Data, information, and instructions are passed from a sending system to a receiving system through communication devices. A communication device can exchange information with other kinds of electronic devices.

An example of a communication device is a modem. A modem is a hardware device that can change digital information from a computer to a signal that can be transmitted over the telephone. The modem also has the capability to transfer an analog system into a digital system so that it can be viewed on a computer.

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