When we speak of telecommunications, we refer to the science and practice of transmitting information by electromagnetic means using several specialized techniques and materials. Such data can consist of text data, audio, video, or a combination of the three.
The term telecommunication is derived from the French word télécommunication, which comprises the Greek prefix tele – “distance” and the Latin word comunicare “to share.”
At the beginning of the 19th century, the engineer and writer Édouard Estaunié (1862-1942) replaced the term previously used for communication through electrical impulses: telegraphy.
Moreover, in telecommunications today, we find numerous technologies, from radio, television, telephony, computer networks, and the Internet to radio navigation, GPS, and telemetry.
In almost all cases, these are systems that are equipped with:
It encrypts and transmits the signal via various media or channels.
They take delivery and decode the signal and may (or may not) serve as transmitters.
These are devices that amplify, channel, modify or resend the signals sent by the transmitter.
One can speak of telecommunications engineering, or simply telecommunications, to refer to the study of this type of technology to manage, improve, and innovate it.
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To classify telecommunications according to different elements, there are many ways. For example, a distinction can made between unidirectional communication.
The sender is always the sender, and bidirectional, in which the recipient ultimately also takes on the sender’s role.
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It relates not only to the transmission of radio waves in AM and FM from commercial stations
The program of which must view by the public on their radios but also on shortwave radios such as those used for radio navigation and radio broadcasting. Military communication.
The old Graham Bell landline telephony was over the 20 and delay.
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The great invention that revolutionized the media in the 20th century survived by adapting itself to the times.
Through satellite broadcasts or streaming over the Internet to bring both audio and images to the receiving devices of every home, whether live and live.
Today everything connects to the Internet, the extensive network of computer networks that enables information to be sent to one another over enormous distances.
It is a complex network of interconnected computers to exchange an immense amount of data of all kinds via fiber optic cables, coaxial cables, or radio waves (WiFi).
The Internet enables a variety of services such as email, streaming services, the World Wide Web, etc.
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Since the advent of the internet, it considered obsolete and abandoned around the world.
A technology extinct now, but used as an example, consists of sending over telephone lines.
The reproduction of an image extracted from the text that resembles a photocopier, but the originals of which were far away.
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Telecommunications play a fundamental role in most technological systems today.
Both in the commercial and financial sectors and in the military, leisure, and cultural sectors. However, Its effects have forever changed the way we interact and communicate with people.
They have enabled the emergence of a more homogeneous culture while at the same time allowing new forms of commercial exchange and new services.
It has become the most innovative, challenging, and capital-intensive area in the world today.
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The telecommunications course is carried out according to very different approaches, each represented in a university or similar degree, which among other things includes such different degrees:
The telecommunication course has a clear technological profile of applied sciences and electrical engineering, economics, and materials engineering.
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What are telecommunications
History of telecommunications
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