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Communication Networks - SS2 Geography Lesson Note

Communication networks and methods have evolved over time, with digital and internet-based communication becoming increasingly dominant, offering instant and global connectivity. Each type of communication has its own strengths and purposes, catering to the diverse needs of society.



Telecommunications involve the transmission of information over long distances using technologies like telephones, cables, and satellites. It enables voice and data transfer across regions.


Telephone Services:

Traditional telephone services allow voice communication through landlines. They have evolved to include features like call waiting, voicemail, and conferencing.


Cellular Phones:

Cell phones, or mobile phones, provide wireless communication. They offer voice calls, text messaging, and internet access. They have become essential for personal and business communication.


Voice Mail:

Voice mail allows people to leave recorded messages when the recipient is unavailable, ensuring that important messages are not missed.


Postal Services:

Postal services involve sending physical letters, packages, and documents through mail systems. While less common today, they are still important for certain types of communication.


Radio and Television:

Radio and TV broadcast information and entertainment to a wide audience. They are major sources of news, entertainment, and education.



Newspapers provide printed news and information on various topics. They are a traditional source of written communication.



The internet is a vast network that offers various forms of digital communication, including email, social media, websites, and online chat.


Social Media: 

Social media platforms like Facebook allow individuals and businesses to interact and share information, photos, and videos with a global audience.


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