Introduction to Data Communication

1. Data Communication
Antosh Dyade
http://dcom.antosh.in
antosh@dyade.in

2. What is Data Communication?
• Data Communication refers to the exchange of data between a
transmitter and a receiver via transmission media such as wire or
wireless.
• Data Communication is the process of using computing and
communication technologies to transfer data from one place
to another, and vice versa.

3. • The communication traffic has been growing at high speed and steady rate
for decades due to the advancement in technology of Data Communication
and Networking facilities.
• The business relay more on information technology; the range of services
like automation, online transaction, remote access and many more online
services expands. This increase the demand for high capacity networking
and transmission facilities.
• The Managers of the network continually struggling to maximize capacity
and minimize transmission costs.

4. • The fundamental purpose of communication is the exchange of data
between two parties.
• The key elements of the model are as follows:
• Source: This device generates the data to be transmitted.
• Transmitter:encodes information into an electromagnetic signal that is transmitted
across some transmission system.
• Transmission system: This can be a single transmission line or a complex network
connecting source and destination.
• Receiver: The receiver accepts the signal from the transmission system and con
verts it into a form that can be handled by the destination device
• Destination: Takes the incoming data from the receiver.

5. Next Video
Concepts and Terminology
used in the Data
Communication