Components of Data Communication
Data Communication has five components.
- Transmission medium:-
It is information or data to be communicated.It can be text,picture,audio ,video etc.
sender is the device that sends the data message.It can be computer,telephone etc.
The reciever is the device that recieves the message.It also can be computer,television,workstation etc.
It is a physical path by which a message travels from sender to reciever.It can be twisted pair of wires,coxial cable & radio waves.
It is the set of rules that govern data communication.it is agreement between devices.Without a protocol two devices may be connected but not communicated.Ex A person can speak French but it is not necessary he can understand Japanese.