Components of Data Communication

Front

What is a message in data communication?

Back

A message is a piece of information that is to be transmitted from one person to another. It could be a text file, an audio file, a video file, etc.

Front

What is a sender in a communication system?

Back

A sender is a device that sends data messages. It can be a computer, mobile, telephone, laptop, video camera, or workstation.

Front

What is a receiver in a communication system?

Back

A receiver is a device that receives messages. It can be a computer, telephone, mobile, workstation, etc.

Front

What are transmission mediums or communication channels?

Back

Communication channels are the medium that connect two or more workstations. Workstations can be connected by either wired media or wireless media.

Front

What is a protocol in data communication?

Back

A protocol is a set of rules that ensures the data sent by the sender is understandable to the receiver; otherwise, the communication is meaningless.