Data communication and its components

A data communication is the process of transferring data or information between two devices.
  • Basically the components of data communications are:
    • Data or Message
    • Sender
    • Medium
    • Receiver
    • Protocol
  • Data or Message: It is the information to be communicated.
  • Sender: The device that sends the information.
  • Medium: The path that is used to send or receive the messages.
  • Receiver: The device that receives the information.
  • Protocol: A set of rules for communicating and exchanging data between sender and receiver.
Example of Data Communication:
  1. Sending Email through computer network.
  2. Sending Voice message through computer network.