LESSON 1 FCK
Data Communication: is the transfer of data or information between a source and a receiver. The source transmits the data and the receiver receives it. (“Data Communication is the exchangeof data (in the form of 0’s and 1’s) between two devices (computers) via some form of the transmission medium.”(Modified Definition)
Data: information that is stored in digital
form
Information: is defined as knowledge or
intelligence
Network: is a set of devices interconnected
by media links
Internet: a global computer network
providing a variety of information and
communication facilities, consisting of
interconnected networks using standardized
communication protocols