Tag: Personal cast

Simultaneous transmission of several channels of compressed digital contents of television is referred to as (A) Digicast (B) Multicast (C) Narrowcast (D) Personal cast Correct Ans: (B) Explanation: Multicast refers to the simultaneous transmission of multiple compressed digital television channels. Since digital broadcasting allows efficient data compression, networks can deliver several programs using the same bandwidth. This method improves transmission efficiency and enhances viewer experience. In a multicast system, a single transmission stream carries multiple channels, ensuring better spectrum utilization and cost efficiency. Since broadcasters aim to reach diverse audiences, this technology enables the distribution of varied content, including news, sports, and entertainment, without using extra bandwidth. Now, let’s analyze the incorrect options. Digicast is a general term for digital broadcasting, but it does not specifically mean multiple transmissions at once. Narrowcast refers to targeted broadcasting for specific audiences, rather than simultaneous multiple channel transmission. Personal cast suggests customized content delivery to individuals, which is different from multicast’s broad distribution approach. In conclusion, multicast enables the transmission of multiple compressed digital TV channels simultaneously. Since this method optimizes bandwidth and improves content distribution, it remains a vital technique in modern broadcasting.

Tag: Personal cast

Transmission of several channels of compressed digital contents is

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