Data communication quiz questions and answers

  • How data communication is done between two computers?

    Three commonly used guided/wired media for data transmission are, twisted pair, coaxial cable, and fiber optic cable.
    Twisted-pair and coaxial cable carry the electric signals whereas the optical fiber cable carries the light signals.
    A twisted-pair consists of two copper wires twisted like a DNA helical structure..

  • What is the basic data communication system?

    Basic Data Communication System
    Defined as the transmission of digital information between two devices using electronic transmission systems.
    Data will be represented either in the form of electrical signals, electromagnetic waves or light.
    The source is the device that sends the data message..


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