Write the application of mobile communication.

Explanation

(i) It is used for personal communication and cellular phone offer voice and data connectivity with high speed.
(ii) Tansmission of news across the globe is done within a few seconds.
Using Internet of Thing (IoT), it is made possible to control various devices from a signal device. Example: home automation using a mobile phone.
(iv) It enable smart classrooms, online availability of notes, monitoring student activities etc. in the field of education.