A remote batch-processing operation in which data is solely input to a central computer would require

Avalanche photodiode receivers can detect bits of transmitted data by receiving

An example of a medium speed, switched communications service is

While transmitting odd-parity coded symbols, the number of zeros in each symbol is

Data communications monitors available on the software marked include

An example of an analog communication method is

Communication circuits that transmit data in both directions but not at the same time are operating in

A band is always equivalent to 

The loss in signal power as light travels down the fiber is called

In communication satellite, multiple repeaters are known as