57. In simplex transmission A. Data format is simple B. Data transmission is one way C. Data can be transmitted to small distances only D. All of the above E. None of the above
In Simplex mode, the communication is unidirectional, as on a one-way street. Only one of the two devices on a link can transmit, the other can only receive. The simplex mode can use the entire capacity of the channel to send data in one direction.
