What are the means of data communication ?

What are the means of data communication ?
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Answer :

When one communicates with another or wants to do so, one has to take the help of one or the other transmission medium. Usually the means through which the data is transmitted or transferred from the source to the destination is the force of data communication. Data communication is generally of two types. For example , via cable , cable / wire , telephone line , fiber optic. Wireless , microwave , infrared , wireless waves.
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