Data communications system has

  • What does a data communication system consist of?

    Components of Data Communication
    Sender: It is simply a device that sends data messages.
    It can be a computer, mobile, telephone, laptop, video camera, or workstation, etc.
    Receiver: It is a device that receives messages.
    It can be a computer, telephone mobile, workstation, etc..

  • What does a data communication system consist of?

    It consists of a human-machine interface, supervisory computer system, remote terminal units (RTUs) connected to sensors, and communication infrastructure.
    Either wired or wireless communications are used..

Components of Data Communication System
  • Message : This is most useful asset of a data communication system.
  • Sender : To transfer message from source to destination, someone must be there who will play role of a source.
  • Receiver :
  • Transmission Medium :
  • Set of rules (Protocol) :
It contains four layers, namely the Physical, Datalink, Application, and User layers. Different from many modern communication systems, the physical layer of 
Data communications system has
Data communications system has
The National Communications System (NCS) was an office within the United States Department of Homeland Security charged with enabling national security and emergency preparedness communications using the national telecommunications system.
The NCS was disbanded by extiw>Executive Order 13618 on July 6, 2012.

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