How Technology Change in Telecommunication

Topics: Telephone, Television, Satellite Pages: 7 (2298 words) Published: June 25, 2013
How Technology change in telecommunication?

Technology affects almost every aspect of our lives. The development and improvement of technology has greatly improved our lives. It has led to a far better, easier and very comfortable life for the people. Telecommunication systems have undergone major changes in the past decade, as they have become more electronic and less electromechanical. 'Telecommunication' is a term coming from Greek and consists of two words Tele+ communication. The word ‘Tele’ means ‘distance’ i.e. telecommunication means 'Distance communication or communication at distance' through signals of varied nature coming from a transmitter to a receiver. In order to achieve effective communication, the choice of a proper mean of transport for the signal has played (and still plays) a fundamental role. Another change has been much greater use of computer-generated data. These changes mean that telecommunication systems are now more vulnerable to power quality problems. The electronic circuits are more susceptible to noise pulses than voice communication, and the noise can completely change the computer data. This new complexity is seen in today’s telecommunication systems, which include satellites that handle “packets” of data, and telephone central offices that convert voice to computer-like digital signals. Within 10 years, these systems will become even more sophisticated, using fiber optics instead of copper wire as the primary communications medium. Today’s analog telephones and fax machines will be replaced by all-digital units. Projecting further into the future, the next century will see widespread use of cellular phones in the office and home, replacing “plug-in-the-wall” phones. What does this mean to the contingency planner? It means that we will need to learn more about the new telecommunication systems because we will be called upon to deal with more complex telecom recovery problems. Power quality associated with this new high-speed generation of telecommunication systems is being affected by factors similar to those computer systems, i.e., high-tech systems, used in low-tech environments. In addition, equipment from different vendors is being integrated with varying degrees of performance and reliability. Added to this is the involvement of people with different levels of technical expertise: installers, maintenance technicians, architects, builders, contractors, electricians and telephone companies. When you put all these factors together, telecommunication system interoperability is a hard-to-reach goal. There are various ways through which technology has changed our life. In ancient times, the most common way of producing a signal would be through light (fires) and sound (drums and horns). However, those kinds’ communications were insecure and certainly left room to improvement as they did not permit message encryption or a fast transmission of information on a large scale. The true 'jump' in terms of quality came with the advent of electricity. Electromagnetic energy, in fact, is able to transport information in an extremely fast way (ideally to the speed of light), in a way that previously had no equals in terms of costs reliability. Therefore, we may say that the starting point of all modern telecommunications was the invention of the electric cell by Alessandro Volta (1800). In 1809, German physician Thomas S. Sommering proposed a electrochemical' telegraph system composed of a battery, 35 wires (one for each letter and number) and a group of sensors made of gold, which were submerged in a water tank: when a signal was passing from one of those wires, electrical current would split water molecules, and small oxygen bubbles would be visible near that sensor. Thus, messages could be conveyed electrically up to a few kilometers (in von Sömmering's design), with each of the telegraph receiver's wires immersed in a separate glass tube of acid. An electrical current was sequentially applied by...
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