Development of Transport and CommunicationDefinition of ​Communication
It is the exchange of ideas, information, news feelings or opinion over some distance
​Early forms of communication
​Messengers
Disadvantages of Messengers
Signals
A signal is a simple message in a code e.g. fire, smoke, drumbeat, horn blowing etc​
​Fire signals
​Smoke signals
​Drum beating
Screams and cries
​Bells
​Flags
Ships carrying the same flag either belong to the same country or company
Written messages
​Modern means of communication
The Modern means of communication includes:-
Telephone, Radio, Television, Video, Internet, Newspapers, Journals, Magazines, Electronic mail, Telex, Telegraph, Cinema, Fax mile, Trans-receiver, Pager, Satellite, Periodicals ​ ​Telecommunications
​It is the sending and receiving of messages through electronic devices such as radio, TV, telephone etc
​Telephone
​Cell phone/ mobile phone
Features of cell phone
​Television
​Radio
Telegraph
2 Comments
Lucy
29/8/2021 16:38:23
What if someone dosnt have data is there any solution to that
Reply
Sinajina
11/8/2022 14:03:08
I really like your notes
Reply
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