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Showing posts from March, 2020

What is the space communication ?

Introduction  Communication of messagefrom one place to another has alwaysbeen an important feature of our everyday life. Earlier, communication was done by beating of drums, by smoke signals or through pigeons. With the development of science, a necessity was felt for faster communications. Now we are relying on communication through electrical waves, which travel with velocity of light  ( 3× 10^8 ms^-1) .     The basic idea is to convert our primary information into electrical waveform (signals) which propagates through a channel. As the signal propagates, it becomes weaker due to resistance and some noise also creep in.  The speed of communication depends upon the number of signals transmitted in one second i.e. the frequency of signals. If we want to increase the speed of communication, we shall have to compress the waveform in a certain time so that greater number of signals are transmitted in one second. This necessitates a greater band-width of the channe...

What is the role of language in communication ?

What is  the language in communication? 1. Verbal-: Spoken and Written  Language of communication - Language is the medium of effective communication or self expression in all spheres of human life. Communication is not possible without language . So human civilization is a contribution of language . Communication involving language as a means is called verbal or linguistic communication . Verbal communication can be spoken or written. Anything other than spoken or written can be considered as non verbal communication . Verbal communication and non-verbal communication go hand in hand . It is always better to reinforce verbal communication with the help of non-verbal communication .          Language may be thought of as the code, the system of symbols, utilized in the construction of verbal message . Language may be defined as a specialised productive system capable of displacement . From this point of view verbal communication can be analysed with it...