CLASSIFICATIONS OF THE MEANS OF TRANSMITTING INFORMATION

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CLASSIFICATIONS OF THE MEANS OF TRANSMITTING INFORMATION da Mind Map: CLASSIFICATIONS OF THE MEANS OF TRANSMITTING INFORMATION

1. Telegraph

1.1. ~ information is transmitted over a wire through a series of electrical current pulses, usually in the form of Morse code.

1.2. ~ the basic components are: a source of direct current, a length of wire or cable, and a current-indicating devices such as a relay, buzzer, or light bulb.

2. Television

2.1. ~ news and entertainment programs are broadcasted on television.

2.2. ~ television can broadcast both audio or video for communication

3. Radio

3.1. ~ News and entertainment programs are broadcasted on radio.

3.2. ~ radio can only be used for broadcasting the audio messages a large audience.

4. Internet

4.1. ~ internet is a very cheap and reliable means of not only communication but also education and employment and entertainment.

5. Drums

5.1. ~ in ancient Africa, drums were used as the most reliable means of communication for announcements.

6. Metal Gong

6.1. ~ this is a rimmed metal disk that produces a loud, sonorous tone when struck with a padded mallet.

7. Sign

7.1. ~ the type of sign used to transmit information usually depends on the type of information to be transmitted like palm frond meaning signifies peace.

8. Fire Lighting

8.1. ~ this is the fastest method of transmitting information over a long distance in the ancient days.

9. Fax Machine

9.1. Uses of a fax machine:

9.2. ~ it sends all the data over a telephone line

9.3. ~ it receives digitized image information.

10. Telephone/Mobile phone

10.1. ~ they are the most common used means of communication

10.2. ~ they are very fast and can link far distant location within no time

10.3. ~ STD (Subscriber Trunk Dialing) are used to link with people in one country while ISD (International Subscriber Dialing) services for linking people of different countries

10.4. ~ telephones are static while mobile phones can be carried anywhere

11. Satellite

11.1. ~ artificial satellites are used to communicate with very distant locations

11.2. ~ they are used to live-telecast matches and programs worldwide and it is the most important means of communication

12. ~ Print Media

12.1. ~ it is responsible for gathering and publishing information in form of newspapers, magazines, bill boards.

13. Animal

13.1. ~ writing was the chief means of communication in those days. Rich people hired professional messengers who carried letters on foot, horseback or by shop and pigeons as well.

14. Horn

14.1. ~ blowing horns are ancient signal instruments that were played by Vikings and many parts of the earth by heralds and watchmen

14.2. ~ helps keep in contact with your friends or warn people of your approach and to keep evil spirits away.