Complete the following table by writing the appropriate answer:

The first column - Personal.

The second column – Mass

Personal Communication System: Among all the personal communication system internet is the most effective and advanced one. It is widely used in urban areas. It enables the user to establish direct contact through e-mail to get access to the world of knowledge and information. It is increasingly used for ecommerce and carrying out money transactions.

Mass Communication System: Radio broadcasting started in India in 1923 by the Radio Club of Bombay. Television broadcasting has emerged as the most effective audio-visual medium for disseminating information and educating masses. Satellites are mode of communication in themselves as well as they regulate the use of other means of communication. However, use of satellite in getting a continuous and synoptic view of larger area has made satellite communication very vital for the country due to the economic and strategic reasons.