Chapter 1
Introduction
1.1
, 1-1 DATA COMMUNICATIONS
The term telecommunication means communication at a
distance. The word data refers to information presented
in whatever form is agreed upon by the parties creating
and using the data. Data communications are the
exchange of data between two devices via some form of
transmission medium such as a wire cable.
Topics discussed in this section:
Components
Data Representation
Data Flow
1.2
, Figure 1.1 Five components of data communication
1.3
Introduction
1.1
, 1-1 DATA COMMUNICATIONS
The term telecommunication means communication at a
distance. The word data refers to information presented
in whatever form is agreed upon by the parties creating
and using the data. Data communications are the
exchange of data between two devices via some form of
transmission medium such as a wire cable.
Topics discussed in this section:
Components
Data Representation
Data Flow
1.2
, Figure 1.1 Five components of data communication
1.3
