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1Data TransmissionData transmission has the following features:
1)Direction of travel
2)Method of transfer
3)Data transmission frequency
2SimplexData can only travel in one direction.
>>>>>>>>>>>>>>>>>
For example:
A computer sending instructions to a printer.
3Half DuplexData can travel in both directions, but not at the same time.
>>>>>>>>>>>>>>>>>
<<<<<<<<<<<<<<<<
A walkie talkie, only one person can speak the rest listening.
4Full DuplexData can tyravel in both direction at the same time.
>>>>>>>>><<<<<<>>>>>>>>
For example:
A face time conversation or phone call between two individuals.
5Serial Data TransmissionsData transferred one bit data a time.
This connection is the slowest, but the most reliable.
This connection is suitable for long distances.
6Parallel Data TransmissionsData is transferred 8 bits at a time.
This connection is the fastest, but the connection can be distorted if long distance.
Common use is computer to printer.