The defective transmission can be fairly specific in case of transmission of electric pulses via wires, which can be modified as a result of capacitance of the wire and its resistance.A digital system makes use of separate values to depict data for processing, input, storage and transmission. On the opposite, a recurring system of values is utilized by an analog or a non-digital system for the depiction of data. The info that is depicted in a digital system could be each continuous as in pictures or sounds or any other measurements which might be taken up in continuous mechanisms or discrete like in numbers, icons and letters. Alphanumeric characters which might be used for encoding digital information are not recurring and in consequence conversion of knowledge to digital data is pretty simple. There are additionally lesser possibilities of information loss not like instances of analog to digital change management.