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Ever since the iPhone was officially launched and everyone discovered the amazing capabilities of the system, there has been some eager anticipation for when those wonderful third parties would start coming up with ways to play games on the iPhone. Well, today your prayers have been answered, although I must admit that it's not perfect yet by any means.

A third-party programmer has come up with an emulator for your iPhone that allows you to play a variety of games from the original nintendo Entertainment system (NES). That's right, the system that brought you the glorious start of the Super Mario Bros.

The list of games available on this "pocket nes" is so far fairly sturdy, offering such classic titles as Super Mario Bros., the legend of Zelda, Metroid, and Mega Man 2...and that's just the start.

Now, bear in mind that the process for getting this all set up isn't exactly easy, and even if you do manage to get it set up right, there are still some bugs. This is a brand new emulator for a brand new "console," so it's bound to be imperfect at this early stage. However, updates are happening regularly, and I've heard that the legend of Zelda rom is almost to the level of the original cult classic.

Also, to do all this you'll have to crack your iPhone with a program such as Jailbreak...which isn't something apple condones or supports, and it could very well void your warranty with them. As of yet I don't think it's illegal, but it's definitely not encouraged by the company. Do it at your own risk.

But, if you're willing to take the risk, you could have Mario bouncing around those tunnels right on your iPhone. The interface is a little sluggish right now, but it's a beauty of a representation of the original. The touch screen system of the iPhone allows for a fully-functional and accurate version of the original nes controller. Once the kinks and bugs get all worked out, this could become pretty popular.

Computer networking or data communication is a most important part of the information technology. Today every business in the world needs a computer network for smooth operations, flexibly, instant communication and data access. Just imagine if there is no network communication in the university campuses, hospitals, multinational organizations and educational institutes then how difficult are to communicate with each other. In this article you will learn the basic overview of a computer network. The targeted audience of this article is the people who want to know about the network communication system, network standards and types.

A computer network is comprised of connectivity devices and components. To share data and resources between two or more computers is known as networking. There are different types of a computer network such as lan, MAN, WAN and wireless network. The key devices involved that make the infrastructure of a computer network are Hub, Switch, Router, Modem, Access point, lan card and network cables.

lan stands for local area network and a network in a room, in a building or a network over small distance is known as a lan. MAN stands for Metropolitan area network and it covers the networking between two offices within the city. WAN stands for wide area network and it cover the networking between two or more computers between two cities, two countries or two continents.

There are different topologies of a computer network. A topology defines the physical layout or a design of a network. These topologies are star topology, bus topology, mesh topology, star bus topology etc. In a star topology each computer in a network is directly connected with a centralized device known as hub or switch. If any computer gets problematic in star topology then it does not affect the other computers in a network.

There are different standards and devices in computer network. The most commonly used standard for a local area network is Ethernet. Key devices in a computer network are hub, switch, router, modem and access point etc. 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.

Hopefully, in this article you may have learnt that what a computer network is, how important it is in our lives, what are different network devices, standards, topologies and communication types.

B. Bashir manages this website Networking Tutorials and regularly writes articles on various topics such as Computer Networking, Network Troubleshooting Tips Wireless Networking, Computer hardware, Certifications, How Tos, Network Security Guide and computer tips.