Page 251 - LECTURETTE TOPICS eBOOK
P. 251

shop.ssbcrack.com



                                             TOPIC -82



                               Evolution in Telecommunication


        Quick points to remember
           •  1876 –telephone discovered
           •  Sms, email, 2G, 3G, wireless technologies and so on
           •  In India, the telecommunication sector saw growth after 1990’s

           •  e-governance, digital India made possible
           •  Internet of things, artificial intelligence etc are the future

        Introduction
        One sector that has seen the most noteworthy reforms is telecommunication. From
        landlines  to  smartphones  and  IoT  (Internet  of  things),  the  evolution  in
        telecommunication has revolutionized the world.

        Key Points
           •  The telephone was discovered in 1876 by Grahambell.
           •  Then came the first dial phone in 1891.

           •  The email message came in 1971 and the first mobile phone was introduced
               by Martin Cooper in 1973.
           •  2G-Second generation technology was introduced in 1991 and 1992 saw the
               advent of SMS messages.
           •  After  2000,  the  telecommunication  industry  started  revolutionizing  rapidly.
               From 2G to 3G and 4G, wifi, wireless technologies, internet of things etc. , the
               technological innovations changed the way of communication.

        Evolution of telecommunication in India
           •  India has the second largest telecommunication network in the world. The
               growth of telecom industry in India began after 1990’s and it is only growing
               faster since then. Liberalisation and privatization of telecom sector acted as a
               catalyst for growth.

        245 | P a g e                                                                                 shop.ssbcrack.com
   246   247   248   249   250   251   252   253   254   255   256