One-way communication (One-way Communication) communication means that the recipient can not interact with the sender in the same medium. The sender is the poster alone, most often in the form of public communication such as radio, television, or bulletin boards, etc. The specification is called. Simplex
Duplex (Two-way Communication) refers to the communication, the sender and recipient information. Can interact with each other in the same medium. The specification is called the Duplex communication is two-way. Principle To receive / send form of.
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