Communication means exchange of data between two or more Devices.
Components of data communication -
1. Sender. 2. Receiver. 3. Message
4. Communication Media. 5. Protocols
Protocol - set of rules that need to be followed while communicating for data communication.
HTTP - It is called hypertext transfer protocol
It is used to access world wide web
It works on client server model
It works between web browser and web server
FTP - It is known as file transfer protocol.
It is used to transfer file from one computer to another computer
When one pc request to transfer file it setsup a connection between nodes then after specifying file name and location another connection sets up and transfer file between two nodes
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