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Communication is exchange of information. Since ancient times it is practiced in various ways
Communication is exchange of information. Since ancient times it is practiced in various ways
e.g., through speaking, writing, singing, using body language etc.
e.g., through speaking, writing, singing, using body language etc.
After the discovery of electricity in the late 19th century, human communication systems changed dramatically.
After the discovery of electricity in the late 19th century, human communication systems changed dramatically.
Modern communication is based upon the discoveries and inventions by a number of scientists like J. C. Bose (1858-1937), S. F. B. Morse (1791-1872), G. Marconi (1874-1937) and Alexander Graham Bell (1847-1922) in the 19th and 20th centuries.
Modern communication is based upon the discoveries and inventions by a number of scientists like J. C. Bose (1858-1937), S. F. B. Morse (1791-1872), G. Marconi (1874-1937) and Alexander Graham Bell (1847-1922) in the 19th and 20th centuries.
In the 20th century we could send messages over large distances using analogue signals, cables and radio waves.
In the 20th century we could send messages over large distances using analogue signals, cables and radio waves.
With the advancements of digitization technologies, we can now communicate with the entire world almost in real time.
With the advancements of digitization technologies, we can now communicate with the entire world almost in real time.
The ability to communicate is an important feature of modern life.
The ability to communicate is an important feature of modern life.
We can speak directly to others all around the world and generate vast amount of information every day.
We can speak directly to others all around the world and generate vast amount of information every day.
Here we will briefly discuss how communication systems work.
Here we will briefly discuss how communication systems work.
A communication system is a device or set up used in transmission and reception of information from one place to another.
A communication system is a device or set up used in transmission and reception of information from one place to another.
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