Mobile Media Review

Computer networking is a crucial part of the information technology. In fact, it has revolutionized business, defense, research and almost all human endeavors. Every business of today needs a computer network for smooth operations, flexibly, instant communication and data access. The sharing of fax machines, printers, and modems amongst many computers and users reduce the operational cost. University campuses, hospitals, multinational organizations and educational institutes will not run efficiently and smoothly without computer networking.

Networking means to share data and resources between two or more computers. Depending upon the size, the computer networks are classified as Local Area Networks (LAN), Wide Area Networks (WAN), Metropolitan Area Networks (MAN) and Personal Area Networks (PAN). Each type is comprised of connectivity devices and components such as Hub, Switch, Router, Modem, Access point, LAN card and network cables. A router is used to connect two logically and physical different networks. All the communication on the internet is based on the router. Hub/Switch is used to connect the computers in local area network.

IBM, HP/Compaq and Dell are major manufacturers of computer network devices and network security. Today, computer network devices as well as telecommunications devices and servers can easily be found in stores, both offline and online. You can find them in both new and refurbished version.