Wireless networks are communication that is done without the use of cables. Its use dates back several centuries. In the 1820’s, Hans Christian Oersted and Andre-Marie Ampere discovered electromagnetism, which is a manifestation of both the electric and magnetic...
Smart cards A smart card is similar to a magnetic stripe card but contains a microprocessor chip. The first smart cards were prepaid telephone cards, which operated on stored prepaid values. They have moved on from this to be used for things such as library cards,...
Mobile IP is becoming more important for the average consumer and for businesses. Mobile IP standards are improving, as are the services offered by service providers. Because of this, more efficient services and applications are available to mobile users. In business,...
Mobile IP is a standard communications protocol, developed by the Internet Engineering Task Force (IETF) and designed to allow mobile-device users to move from one network to another while maintaining their permanent IP address. Mobile IP is an enhancement of the...
After getting know the router on internet connectivity, there are another Communication technologies that we need to understand was bandwidth. In analog systems, bandwidth is the difference between the highest-frequency and the lowest-frequency signal components of a...
One of the primary purposes of a network is to increase productivity by linking computers and computer networks, so that people have easy access to information regardless of differences in time, place, or type of computer system. Components of a network Because...
