Which of the following is true of mass media?

Correct option is A

Explanation:
It usually has a central, single source: Mass media typically disseminates information from a single central source (such as a broadcasting station, publishing house, or online media platform) to a large, diverse audience. Examples include television networks, radio stations, and news agencies.
Incorrect Options:
Option 2: The audience of mass media is not necessarily in close proximity; mass media transcends geographical boundaries.
Option 3: Mass media does not only affect localized populations; its impact is often global or at least nationwide.
Option 4: While media platforms may vary, a single piece of mass communication often originates from a central source before being disseminated across different channels.

Information Booster:
Centralized production of content allows for streamlined messaging and consistency in mass communication.
Mass media reaches diverse and dispersed audiences through technology, such as satellite broadcasts and the internet.
News agencies like BBC, CNN, and Reuters serve as central sources for global news dissemination.
It influences public opinion, shapes cultural norms, and spreads information across geographical and cultural boundaries.

Additional Knowledge:
Traditional Mass Media: Includes television, radio, and print, all of which rely on centralized sources for content creation and distribution.
Platforms like YouTube and social media have introduced decentralization in content creation, but major trends still rely on centralized algorithms and platforms.
While mass media can cater to localized needs (e.g., community radio), its primary strength lies in reaching broad and diverse audiences.