Types of Network

There are many types of networks used by businesses and organizations. Since each business and organization has its own needs, each network is unique.

Network Size
The size of a network can often determine which type of network a business or organization should use. Different ways. For example, a network with over 1,000 users is organized differently and requires a variety of components not found on a network with only five users.

Network Cost
The Size and type of a network determine its cost. The larger the network, the more costly the network is to build, set up and maintain. In addition to needing extra hardware and cables, a larger network also requires specialized cabling and computers to link users and devices that are far apart.

Local Area Networks (LAN)
A Local Area Network (LAN) is the most common type of network found in businesses. Local Area Networks connect computers and devices located close to each other, such as in one building. Local Area Networks connect from as few as two computers to usually no more than 100 computers.

Metropolitan Area Networks (MAN)
A Metropolitan Area Network (MAN) is collection of LANs. Metropolitan Area Networks connect computers located in the same geographic area, such as a city or town. For example, a college may use a Metropolitan Area Network that connects the LAN on each campus throughout a city.

Wide Area Networks (WAN)
A Wide Area Network (WAN) connects Area Networks and Metropolitan Area Networks together. The networks that make up a Wide Area Network may be located throughout a country or even around the world. When a single company owns and controls a Wide Area Network, the Wide Area Network is often referred to as an enterprise network. The Internet is the largest Wide Area Network.

What is a Network?

A network is a group of connected computers that allow users to share information and equipment.

Network Size
A network can be any size. For Example, connecting two home computers so they can share data creates a simple network. Companies can have networks consisting of a few dozen computers or hundreds of computers. The Internet is the world’s largest network and connects millions of computers all over the world.

Logging On
Network users are usually required to identify themselves before they can gain access to the information on a network. This is known as logging on. Each user must enter a personalized user name and password to access a network. By keeping this information secret, users can prevent unauthorized people from accessing the network.

Sharing Information
You can use a network to share information with other people. Information can be ant form of data, such as a document created in a word processing program, a picture drawn in an imaging application or information from a database. Before networks, people often used floppy disks or any other storage device to exchange information between computers, which was a slow and unreliable process. With networks, exchanging information between computers is quick and easy.

Sharing Resources
Computers connected to a network can share equipment and devices, called resources. The ability to share resources the cost of buying computer hardware. For example, instead of having to buy a printer for each person on a network, everyone can share one central printer.

Sharing Programs
Networks allow people to access programs stored on a central computer, such a s a spreadsheet or word processing program. Individuals can use their own computers to access and work with the programs. By sharing a program, a company can avoid having to install a copy of the program on each person’s computer.

By: Ali Masood

Searching For The Free Software Directory

If you are constantly browsing the internet in order to find Download free software, you will have to take your time because its finding is not likely to be an easy task. Most business companies are likely to consider thus type of free payroll software as the perfect tool in order to increase their selling opportunities. This software should be regarded in a whole new light because it is not the perfect solution when there are some businesses involved along the process. The payroll software is used in order to process all the employee payrolls in an e3asier manner without having to worry about too many details. The software will also help the company in order to track the vacation time and tax withholding; there are plenty of benefits when it comes to using the Free software directory on a regular basis.

But if you are interested in finding a Download free software just for your personal use, you should be aware that this finding can be transformed into a daunting task in case that you do not provide yourself with all the available resource that are to be found on the internet. You will also have to make sure that you can rely on a particular program without being scared by the potential viruses that can be brought along when downloading a particular program.For instance, you may search for the so called open source software that can provide you with all the programs you need for your personal computer; this software is normally free when it comes to its usage and all the source codes will also be available for you. These codes are available for every user who is interested in redistributing, modifying or using them for his personal needs. The user can also take advantage of the unlimited freedom when it comes to using these open sources; but they are plenty of people who remain quite reluctant to using the online open sources on a regular basis. The Free software directory is not to be regarded as a menace anymore; on the contrary, you should become fully aware of all its opportunities.

The traditional idea that states that a value of every piece of software is likely to depend on the price you pay in order to get it is totally wrong; this is simply not the case when it comes to the modern techniques that can be provided by the internet. The Download free software is to be use without having to worry about its value; it is going to work for sure because it is especially designed in order to provide quality services for every user who is confident enough in order to use it. The Free software directory is not likely to come along with inferior quality; on the contrary, the open source is to be trusted for its quality services because they can be even better than the ones being provided by the paid sources.

The open sources will allow the constant sharing of information as well; the computing community will be able to stay in close contact to everything that is likely to happen in the virtual world because it will take advantage of real freedom when it comes to customizing the already existing source codes. These changes will be performed according to the user’s preferences and every user should be aware that free does not stand for inferior. The Free software directory is to be used relied on because it can provide you with all the information you need.

The open source is also blamed for the opportunities that can be provided thanks to its services; people are not familiar with the concept of free usage. On the contrary, they are used to pay for all the intellectual rights n order to use a particular program. They are not likely to rely on an open source that is free because they do not trust this type of service that can actually spare their time and money if properly used. But sometimes the open source is not as free as you might think in the beginning; there are some cases when this source will have to advertise a certain company in order for the users to be able to take advantage of all its programs and source codes. The open source can also advertise a particular product in order to sell it to the visitors who are accessing the Free software directory on a regular basis.

Actually, nothing is likely to come completely free of any charge; even the simplest articles that are used in order to create the web content are not totally free because a company is likely to use them in order to advertise its services or products. However, you will have to learn to appreciate the quality things and you will not have to stay away from a particular directory that can be very helpful for you just because it is free of charge. You will have to learn how to trust the free directories that are offering downloads in order to enjoy things that are not likely to be available forever.

By: Ckint Jhonson

Article Directory: http://www.articledashboard.com

Wireless Networking: Do You Need It?

There has been so much hype about wireless networking that it is sometimes hard to get to the important question: do you need it? To determine whether your notebook computer needs to have wireless networking capabilities, you need to understand what it is first.
WLAN

WLAN stands for Wireless Local Area Network or Wireless LAN. Wireless network cards use the IEEE 802.11 standard of wireless transmission. There are other wireless networking standards, such as Bluetooth, but the 802.11 standard is the preferred networking solution. The Wireless Network interface was developed originally for interfacing among computers connected through a local area network, but it is now also being used for Voice over Internet Protocol (VoIP) and internet access, just like the standard Local Area Network interface.

A Wireless Networking environment has no need for complicated wiring to accommodate data sharing and internet access. The wireless network uses one or more Wireless Access Points or Wireless Routers to transmit the signal. An Access Point has an antenna and an Ethernet port, which must be connected to a broadband modem for internet connectivity. A Wireless Router adds several more Ethernet ports to allow a combination of wired and wireless connections. The Access Point or Router acts as the radio frequency transmitter and receiver (radio frequency electromagnetic waves are the medium through which data packets are sent and received). This Access Point interfaces with devices (computers, PDAs, IP Phones, and other Access Points) which use 802.11 wireless adapters.

Wherever there is an 802.11 wireless access point, a wireless networking-capable device can access that network and, generally, the internet.

Do You Need Wireless Networking in Your Notebook Computer?

Whether you need wireless networking depends entirely on you. Wireless networking capability is always a wonderful feature to have in a notebook computer, but there are scenarios where wireless networking is definitely necessary.

If you want to have a tidy office or home network, wireless networking is for you. Moreover, if there are many users in your local network or if the number of users is expected to increase, a wireless router is not limited by the number of Ethernet ports on the router. Please note, however, that a wireless network connection is not as reliable as traditional Ethernet connections, and wireless connections are susceptible to radio wave and electromagnetic interference.

If you are a freelancer, a reporter, or in another position where you frequently travel, Wireless Networking is invaluable. Wireless Networking is the most widely used form of public internet access all over the world. With a wireless networking card, you are guaranteed an internet connection, as long as you can find a wireless hotspot.

For interfacing with personal devices like PDAs and cellular phones, Bluetooth is a more common option, but Wireless Networking is absolutely necessary for wireless internet connections.

By: Roberto Bell

Article Directory: http://www.articledashboard.com

Wise Steps To Buy Laptops And Other Electronic Products

In 2008, it will be very normal if you buy electronic products in the internet world. I think it’s not modern anymore if you go to a mall and review each product there. If you want to buy a new PC or notebook, try to find the review in the internet. There are plenty of full reviews there so I think you will learn much more than if you go to a mall or electronic dealers in real world. What more interesting is, you don’t need to go out from your home. You can read about different products, different brands in front of your computer.

I always went to electronic malls when I had time to check new products. I checked their prices and performances but I realized I was just wasting my precious time. Start from early 2007, I always buy everything online, start from games to new notebooks. Even if you do not want to buy electronic products online, you could at least try to find out what you want with your internet browser.

If five years ago new PCs or other electronic products are designed for children and nerds, these days it is easy to find new computers for your need. Many companies like HP or Dell produced their own business laptops. With cheap prices, you could get the best performance from new notebooks. It is the same with PCs. You do not need to search for old PCs if you have a tight budget, you can expect PCs which specially designed for people like you.

Computer companies know people have different objectives. There are people who buy new computers for games but there are also people who buy new computers for their jobs. However, there are too many products released every day so I think the best option for you is to search in the internet what suits you most. It will be pretty hard and very time consuming for you if you try “traditional way” (i.e.: go to mall and search for new computer, etc.). Buying new electronic products online is the most effective way at the moment.

By: Punkman
Article Directory: http://www.articledashboard.com