Understanding Telecommunication
Telecommunication refers to the exchange of information over distances using electronic means. It enables real-time communication between individuals or groups, making it a crucial part of modern society.
Options Explained
- Newspaper
- Newspapers are print media that provide information and news but do not facilitate direct communication between people. They are not considered a means of telecommunication.
- Letter
- A letter is a traditional form of communication that involves writing and sending messages through postal services. While it conveys information, it does not allow for immediate interaction, which is essential for telecommunication.
- Postcard
- Similar to letters, postcards are a method of sending messages but lack the speed and interactive nature of telecommunication. They are also not immediate in their delivery.
- Telephone
- The telephone is a direct means of telecommunication. It allows people to communicate instantly, regardless of distance. With a telephone, conversations can occur in real-time, making it a vital tool for personal and business communication.
Conclusion
In summary, among the given options, the telephone stands out as the only effective means of telecommunication. It enables quick and interactive communication, which is the essence of telecommunication, making option 'D' the correct answer.