The basics of computer networking
According to the US Bureau of Labor Statistics, Information Technology is the fastest growing industry in the world. IT jobs increased 108% this year and is expected to continue at this growth until 2006. Although not all of us intend on being systems analysts or network administrators, a basic knowledge of computer networking is a useful tool in practically any career. Also, networking in the home is good way to share computer resources and exchange information for very little money and even less effort. Before you understand how to network, you must understand what networking is. Basically, computer networking is connecting two or more computers together so they can exchange data. This can be done through wires, fiber optics, with infrared cameras and even through radio waves. Most of the time it will be through wires because the other methods are expensive. Networks enable companies to provide great services, extremely fast and all over the world. Before going further into details about networking, it is imperative that you understand some of the basic terminology so that you can better grasp the concepts. First off, you must understand the difference between hardware and software. Hardware is anything that you can
Luckily there are many types of hardware that do this. The other variant is thicknet, which is sometimes called 10base5 which means it also transmits 10mbs but can travel 500 meters between computers. Even a system running UNIX and system running Windows can talk this way. Software is the actual information that is in a computers hard drive or on a disk, CD or DVD. The NICs must have the right connecter to match the cable you use. If you haven't already guessed, this is the protocol the Internet uses but is also capable of use in all networks. One type of cable is coaxial which looks just like television cable except there are two variants. One is called thinnet, which uses a thin coaxial cable. This system of transmitting has few collisions of data but suffers from the same breakage weakness that buses suffer from. Operating systems tell your other software and hardware what to do and manage its resources so everything gets done efficiently. These are a!lso broken into many subcategories that have different bandwidth ratings ranging from 10mbps to 1000mbps. A LAN is a local area network and a WAN is a wide area network. The bad part about fiber-optic is that its very expensive and very difficult to install due to its fragility. All you need to do so is a network interface card, or NIC, in each computer and a cable connect them.
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