Data Communications
Communication
· Is the process whereby information is transferred from one point called the source, to another point, called the destination by electrical means?
Communication System
· Is the totality of the mechanism that provides the transfer of information from the
source to destination?
· Is concerned with the collation, processing and storage of information before its
transmission.
· The actual transmission then follows, with further processing and combating of noise.
· Reception which may include processing steps such as decoding, storage and
interpretation.
Block Diagram of a Communication System
Block Diagram Of a Digital Communications System