Telephone: a modern technology
Telephone: a straight forward communication system
Telephone: a wonder of science
Introduction: the word ‘tale’ means ‘distance’ and ‘phone’ means ‘a sound’. Thus ‘telephone’ means a sound heard at a distance. It means the system by which verbal news and views are sent from one place to another thought an instrument.
Difference from telegraph: it is different from telegraphy. In telegraphy actual words cannot be sent. Only the sound which stands for the various letters of alphabet can be sent over the telegraph wires. It is not possible in all languages. Only alphabet of English and other allied subjects have been modified in this system. But it is not the case with the telephone. In the telephone actual words can be sent. That being so all news irrespective of language can be sent over telephone.
Invention and working: the telephone was invented in 1867 by one graham bell. It has however come into general use only in recent year. The telephone system depends on electricity for its working. Every telephone machine consists, of two parts the transmitter and receiver. It is into the transmitter that a person wishing to give news speaks and this is telephonic connection are connected by electric wires.
Exchange: in the telephone system, there is a central place which is called the ‘exchange’. The houses of the telephone holders have connection to this central place. Every telephone holder has a number and the exchange gives connection to this central place. Every telephone holder has a number and the exchange gives connection to the subscriber when called to do so. In the automatic telephone system two ends are at once connected by themselves.
Usefulness: the telephone is useful to us in many ways. Traders can regulate the prices of their goods if they have telephone connection with bigger dealers of the same goods. Merchants and businessmen can make prompt enquiries on any point that may arise in the matter of their business.