Data communication system pdf

  • Data communication and networking topics

    The communication system is a system model that describes a communication exchange between two stations, transmitter, and receiver.
    Signals or information passes from source to destination through a channel.
    It represents a way in which the signal uses it to move from a source toward its destination..

  • What are the steps of data communication?

    The communication process works through a series of seven steps, they include:

    The sender develops an idea to be sent. The sender encodes the message. The sender selects the channel of communication that will be used. The message travels over the channel of communication. The receiver receives the message..

  • What are the types of data communication in PDF?

    There are three types of transmission mode:  Simplex Mode  Half-Duplex Mode  Full-Duplex Mode Figure 4.11: Types of Transmission Modes  Simplex Mode In Simplex mode, the communication is unidirectional, as on a one-way street.
    Only one of the two devices on a link can transmit, the other can only receive..

  • What is the communication data?

    Communications data is a part of a message that should be distinguished from the content of the message.
    It contains data on the communication's origin, destination, route, time, date, size, duration, or type of underlying service..

Data Communication is a process of exchanging data or information. In case of computer networks this exchange is done between two devices over a transmission 
Thus, data communication refers to the exchange of data between two or more networked or connected devices.
Data Language One is the language system used to access IBM's IMS databases and its data communication system.

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