Overview of Data Communications and Networking
1. What is the difference between communication and transmission?
Ans: Both communication and transmission deal with the exchange of information. However, a few differences between them are listed in Table 1.1.
|• It refers to exchange of meaningful information between two communicating devices.||• It refers to the physical movement of information.|
|• It is a two-way scheme.||• It is a one-way scheme.|
2. What is meant by data communication? What are the characteristics of an efficient data communication system?
Ans: Data communication refers to the exchange of data between two devices through ...