Device that coverts sound and electrical waves into audible relays, and is used for communication. The telephone consists of two essential parts; a microphone and a speaker. This allows the user to speak into the device and also hear transmissions from the other user. The invention of the first telephone dates back to 1896. Some of the first telephones required an operator to connect calls between users, but with the advancement of technology, calls are now connected automatically. Telephones formally utilized analog signals to transmit sounds, but most calls are now placed over digital networks.
Introduction what is is advertising and different Media
So as to create awareness this is a fine art man has perfected over the years thou type and form of advertising has undergone has a phenomenal Change .
While our ancestors relied on word of mouth advertising ,it has today taken on different form like advertising through press ( Newspaper, and Magazines), electronic media ( Radio & TV) , outdoor Media and most recently through internet. These are far more effective and have a greater reach.
Importance of advertising on our daily lives is all pervasive. there is no part of our lives unaffected by the onslaught of adverting. The finest of the product would not find a market and would rot in go-down, unless it is properly advertised . Not only has it continued to our economic growth but has also helped in the field of healthcare ,entertainment , and education it has proved to be an effective tool for the spread of knowledge and has contributed vastly to improving the quality of our daily lives .
Advertising effect in business and commerce
Advertising has changed the very style and concept of doing business ,making it more scientific and enhancing its scope. Consumer can be induced to by a particular product by effective advertising . It has also opened up new horizons and removed all from of geographic language and social barriers.it is affulate also being increasingly used in the political sphere, we find most political parties and even candidate ,caring out well researched advertisement Camping to boost or acquire an image . Which is Crucial for victory , in its contribution, that some business houses earmark a major percentage of their annual expenditure to this head alone . it so profound is the effect of advertising in modern life that it is in conceivable to imagine life without it not only has it contributed to our economic growth but in the field of healthcare, entertainment, and education. In fact it has proved to be an effective tool for the spread of knowledge and has contributed vastly improving the quality of modern life.