Data Communications Systems

The aim of this lecture is to present on Data Communications Systems. Data Computer systems that transmit data over communications lines such as telephone lines or cables.The rapid growth of the Internet has enhanced the role of data communications in modern life. Computer networks are the conduits and floodgates for this ocean of information, which is now being used to spur technologies, such as mobile computing, wireless communications, high-speed broadband, instant messaging, personal digital assistants and other innovations.