SSC General Science & Technology Sample Paper NCERT Sample Paper-4

  • question_answer
    Which one of the following countries firstly deployed the 4G system of mobile telecommunication in the world?

    A)  South Korea     

    B)  Japan

    C)  United States

    D)  England

    Correct Answer: A

    Solution :

    [a] 4G, short for fourth generation, is the fourth generation of mobile telecommunications technology, succeeding 3G A 4G system must provide capabilities defined by ITU in IMT Advanced. Potential and current applications include amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing, 3D television, and cloud computing. Two 4G candidate systems are commercially deployed: the Mobile WiMAX standard (first used in South Korea in 2007), and the first-release Long Term Evolution (LTE) standard (in Oslo, Norway, and Stockholm, Sweden since 2009).

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