What are components of data communication ? A data communications system has five components : 1__Message : What is Message ? The message is the information (data) to be communicated. Popular forms of information include text, numbers, pictures, audio, and video. 2__Sender: What is sender ? The sender is the device that sends the data message. It can be a computer, workstation, telephone handset, video camera, and so on . 3__Receiver: What is Receiver ? The receiver is the device that receives the message. It can be a computer, workstation, telephone handset, television, and so on. 4__Transmission medium: What is Transmission medium ? The transmission medium is the physical path by which a message travels from sender to receiver. Some examples of transmission media include : What are transmission media : twisted-pair wire coaxial cable fiber-optic cable and radio waves. 5__Protocol : What is protocol ? A protocol is a se...
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