DATA PROCESSING SSS1 SECOND TERM       

WEEK 4

METHODS OF TRANSMITTING INFORMATION RADIO

Contents

In 1894, the young Italian inventor Guglielmo Marconi began working on the idea of building a commercial wireless telegraphy system based on the use of Hertzian waves (radio waves).

By August 1895, Marconi was field testing his system but even with improvements, he was only able to transmit signals up to a one-half mile.

In 1897, he established a radio station on the Isle of Wight, England.

In summary, Radio is a means of transmitting information over a long distance; most especially rural areas have access to information transmitted over the radio.

It is all about sending audio messages over a long distance using electromagnetic waves.

TELEVISION

Television is used to transmit both visual and audio messages to a large audience over a far distance.

Electronic television was first.... View More