Telecommunication is a method for transmission of information over distances to communicate. In previous times, telecommunications used the visual signals, such as smoke signals, signal flags and optical heliographs or audio messages via coded drumbeats or sent by loud whistles, etc. In present era of electricity and electronics, telecommunications now also includes the use of electrical devices such as telegraphs, telephones, and, the use of radio and their associated electronics, and the Internet.
With latest changes in technology the telecom industry also update itself with new equipments and devices. The recent change in the telecom sector has been observed by introduction of smart phones and tablets.
Telecom industry provides basic means of communication to its customers. Today telecommunication channels are expanding their data transmission capabilities. They are extending their services to rural areas as well. It also generates employment for various sections of society from engineer’s jobs to sales man jobs. The various areas in which jobs are developed includes sales and related jobs, administrative support occupation, installation, maintenance and repair occupation. But this growth rate in telecom sector is expected to reduce in next coming years due to increased use of automation and other better devices, which in turn will reduce requirement of manual skills.
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