All of us know what Technology is, because we use it all the time especially in this time, our life becomes Electronic life because we cannot leave our Mobiles or Laptops or the Television especially World Wide Web (Internet). Nobody of us spend a day without using the (Internet).

Some of these technologies are Communication devices which are now in the palm of almost everybody's hand.

What is the Definition of Communication Devices?

Communication devices are some kind of a Hardware device capable of transmitting an analog or digital signal over the telephone or other communication means wiredly, or wirelessly.

The best example of a communication device is a computer modem, which is capable of sending and receiving a signal to allow computers to connect to other computers over the telephone, other examples of communication devices include a Network Interface Card (NIC), Wi-Fi devices, and an access point. Below is a picture of some of the different types of Wi-Fi devices that are all examples of a communication device.

All of that was the definition of the communication devices but how did it started or how did we use it? Is it useful all the time or it has something dangerous to us let ussee? We will answer these questions in the following lines.

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