The best means of sending unwritten messages simultaneously to many branches of ...

In this question, we are asked about the best means of sending unwritten messages simultaneously to many branches of an organization within a country.

The options given are:

Option A: television

Option B: telephone

Option C: telegraph (Correct)

Option D: radio

To answer this question, we need to understand what each option means and how it can be used to send messages to many branches of an organization simultaneously.

Option A: television. Television is a medium that uses audio and visual signals to transmit information. However, it may not be the best means for sending unwritten messages simultaneously to many branches of an organization within a country, as it requires writing and preparing the content beforehand.

Option B: telephone. The telephone is a device that allows for voice communication over long distances. While it can be used to send messages quickly, it may not be the best means for sending unwritten messages simultaneously to many branches of an organization within a country, as it requires speaking and listening.

Option C: telegraph (Correct). The telegraph is a communication system that uses electrical signals to transmit messages over long distances. It is the best means for sending unwritten messages simultaneously to many branches of an organization within a country because it allows for the transmission of coded messages in real-time, without the need for writing or speaking.

Option D: radio. Radio is a device that can transmit and receive radio signals, allowing for the broadcast of audio content. While it can be used to send messages to many branches of an organization simultaneously, it may not be the best means for sending unwritten messages, as it requires the content to be pre-recorded or scripted.

Based on the options given, the best means of sending unwritten messages simultaneously to many branches of an organization within a country is the telegraph. It allows for the transmission of coded messages in real-time, without the need for writing or speaking.

Remember, it is important to carefully read and understand the options before selecting the correct answer.

Note: This question is from a past exam, and it is always a good idea to consult the recommended textbooks for a more comprehensive understanding of the subject.