The sharing of fax machines, printers, and modems amongst many computers and users reduce the operational cost. A database on a computer network is a very important application as it stores and runs many important data and jobs. Emails and chats can be used for instantaneous communication and sending of files on a computer network.
The computer networks are classified, depending upon the size, as Local Area Networks (LAN), Wide Area Networks (WAN), Metropolitan Area Networks (MAN) and Personal Area Networks (PAN). The topology (topology is the way the computer networks and network resources are connected) of the networking can be classified as Bus Network, Ring Network and Star Network.
The networking hardware basically consists of wiring, network cards and a hub. Computer network cards are required so that one computer can understand what the other computer is "talking". Network cards have a unique MAC address to identify computers on a computer network. Hubs connect all the computers in the network. Hubs can also be used to connect to other hubs to increase the size of the computer network. Two computers can be connected using Ethernet cards or phone lines or power lines for communication, with hardware kits available at roughly a cost of $100.
As the number of computers in an office or a home increases, so do the number of cables, so wireless networking is a viable solution. In wireless networking radio transreceivers or infrared signals are used to communicate between computers and devices. Examples of wireless networking include Wi-fi and Bluetooth technology, though there may be security issues involved in wireless networking. However there definitely is a stronger preference towards wireless networking nowadays among consumers.
Computer networks have added a new dimension to the 21st century. Today the cyber world is much faster and wider than the real world. This has all been made possible due to computer networks. Computer networks have revolutionized business, communication, travel, research, defense, society and almost all human endeavors. The evolution of computer networks has helped the technological revolution take a big leap forward.
About the Author
For more on Computer Networking visit Networking Solutions. Susan also enjoys writing at business-and-finance-hub.info.
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Circut City Networking Devices
D-Link Wireless G Router (WBR-1310)
Home network: This D-Link Wireless-G router helps you create a wireless home network via broadband modem connection. Surf the web, check email and chat with friends and family online at high speeds.
Easy installation: D-Link's Quick Router Setup Wizard allows easy for setup by configuring your Internet Service Provider (ISP) settings for broadband connectivity. It also provides an easy connection for new wireless devices onto the network.
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D-Link PCI Network Adapter DGE-530T
Upgrade to Gigabit speed: The DGE-530T is a 10/100/1000Mbps copper Gigabit PCI card designed for servers and workstations. Use this card to upgrade systems to 1000Mbps, eliminating network bottlenecks and increasing productivity.
Cost-effective: This network adapter card is an inexpensive alternative to fiber-optic cable, allowing you to instantly upgrade to Gigabit speeds without requiring expensive new cables. Gigabit Ethernet uses your existing Category-5 cabling while providing you with 10/100/1000Mbps network speeds, with auto-sensing and full/half duplex auto-negotiation.
D-Link High-Definition Viiv Media Player (DSM-510)
With the D-Link MediaLounge™ High-Definition Media Player (DSM-510) enjoy high-definition video, music, photos and slide shows streamed from a PC to your home entertainment system. The DSM-510 is verified to take advantage of the benefits of the Intel® Viiv technology platform. The D-Link MediaLounge High-Definition Media Player, working together with your Intel Viiv technology-based PC, is your path to digital utopia
A computer network is a collection of two or more computers with communication between them through a medium. The communication medium can be through radio waves, wires, infrared, optical fibers etc.
Computer network is an integral part of our daily lives, with the most important reason being that of communication. The use of computer networking is to share resources like fax machines, printers, modems, files etc., and its other uses are database server, computer server, email, chat, internet etc. The computer to which the resources are attached is called the server and the other computers that access the resource are called clients. In peer-to-peer computer networks there are no servers.
Computer Networking Fundamentals
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