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Web Hosting - The Internet and How It Works In one sense, detailing the statement in the title would require at least a book. In another sense, it can't be fully explained at all, since there's no central authority that designs or implements the highly distributed entity called The Internet. But the basics can certainly be outlined, simply and briefly. And it's in the interest of any novice web site owner to have some idea of how their tree fits into that gigantic forest, full of complex paths, that is called the Internet. The analogy to a forest is not far off. Every computer is a single plant, sometimes a little bush sometimes a mighty tree. A percentage, to be sure, are weeds we could do without. In networking terminology, the individual plants are called 'nodes' and each one has a domain name and IP address. Connecting those nodes are paths. The Internet, taken in total, is just the collection of all those plants and the pieces that allow for their interconnections - all the nodes and the paths between them. Servers and clients (desktop computers, laptops, PDAs, cell phones and more) make up the most visible parts of the Internet. They store information and programs that make the data accessible. But behind the scenes there are vitally important components - both hardware and software - that make the entire mesh possible and useful. Though there's no single central authority, database, or computer that creates the World Wide Web, it's nonetheless true that not all computers are equal. There is a hierarchy. That hierarchy starts with a tree with many branches: the domain system. Designators like .com, .net, .org, and so forth are familiar to everyone now. Those basic names are stored inside a relatively small number of specialized systems maintained by a few non-profit organizations. They form something called the TLD, the Top Level Domains. From there, company networks and others form what are called the Second Level Domains, such as Microsoft.com. That's further sub-divided into www.Microsoft.com which is, technically, a sub-domain but is sometimes mis-named 'a host' or a domain. A host is the name for one specific computer. That host name may or may not be, for example, 'www' and usually isn't. The domain is the name without the 'www' in front. Finally, at the bottom of the pyramid, are the individual hosts (usually servers) that provide actual information and the means to share it. Those hosts (along with other hardware and software that enable communication, such as routers) form a network. The set of all those networks taken together is the physical aspect of the Internet. There are less obvious aspects, too, that are essential. When you click on a URL (Uniform Resource Locator, such as http://www.microsoft.com) on a web page, your browser sends a request through the Internet to connect and get data. That request, and the data that is returned from the request, is divided up into packets (chunks of data wrapped in routing and control information). That's one of the reasons you will often see your web page getting painted on the screen one section at a time. When the packets take too long to get where they're supposed to go, that's a 'timeout'. Suppose you request a set of names that are stored in a database. Those names, let's suppose get stored in order. But the packets they get shoved into for delivery can arrive at your computer in any order. They're then reassembled and displayed. All those packets can be directed to the proper place because they're associated with a specified IP address, a numeric identifier that designates a host (a computer that 'hosts' data). But those numbers are hard to remember and work with, so names are layered on top, the so-called domain names we started out discussing. Imagine the postal system (the Internet). Each home (domain name) has an address (IP address). Those who live in them (programs) send and receive letters (packets). The letters contain news (database data, email messages, images) that's of interest to the residents. The Internet is very much the same.

Check Download.com for the Best Free Security Software Around With viruses, spyware, adware and hackers threatening on every corner of the internet, it is essential that especially internet users protect their PCs as best as they can to not loose their files or even their whole PC. Buying security software at a local computer store can be very expensive, but protecting the PC does not necessarily have to cost private persons anything at all. Just by checking what for example download.com has available, computer users might be able to save as much as 50-100 Dollars and still be able to protect their PCs adequately. One part of the web page called antivirus, firewall and spyware offers different links to downloads from companies that help protect PCs from any harm. Most of the programs offered on the web page are free for download. Some of the programs are antivirus software, which generally will scan the PC according to your settings for example once a day. When the software finds a virus in any of the files on the PC it will put out a virus alarm in form of a message box. The PC users then have to decide in which way the PC should be cleaned. Some antivirus software will offer to delete the file, others save it in what is called a virus vault, where the virus cannot attack other files on the PC, while others clean the file if it is cleanable. Other programs offered on the page are firewalls. Firewalls protect the Pc from any attacks form the internet, such as hackers hacking into your PC, Trojan horses, viruses and more entering the PC is not possible, when a firewall is used and set to the proper security setting. Using a firewall is a good idea for any PC, but it is important to know that the way the firewall works it might also cause a few problems with software on the Pc that enters the Internet. Therefore firewalls need to be configured right to have a smooth running and protected PC. Many of the firewalls offered on this page are free for download, but generally most PCs have a built in firewall in their operating system that just needs to be activated or configured. The third major kind of protection software one can download form this website is spy or ad-aware detection. Spy and ad-aware are programs that are malicious for the PC user. These kind of malicious little programs are installed without the users proper knowledge and intercept or partially take control of the interactions of the PC with the internet without the users consent. Spywares do not just monitor the internet interactions, as the name suggests, it also collects personal information, can install additional software that will take over the control of the browser activity, accessing websites that will allow for example viruses to enter the PC. Spyware is also often called privacy-invasive software and something a PC as well as a user needs to be protected from. The download page does not only offer many of these programs for free, it will also offer patches and update files for these programs. Even though many of the companies offer the continuous automatic update to protect a PC from new viruses and other malware, some PC users prefer not to have an automatic update and download their own updates whenever they deem necessary. Whichever way one likes to update the PC, it is most important of all to know that PCs need to be protected and users do not need to spend tons of money in order to do so. Free programs available for download on download.com will give a PC similar protection and keep files and identity safe.

Reduce Employee Turnover and Produce a Great Employee For so many businesses in the United States it is the same picture they see year in and year out. Employees come, get trained, start to be efficient at work and then they leave. The company needs to train somebody new. To reduce employee turnover and produce a great employee, many things need to be established within a company as a support structure. Many companies so often neglect to ask and wonder what their employees might like or think would be helpful to make their work environment and conditions positive ones. Whether owning a small or a large company, your immediate concerns probably lie within making profits to be able to keep the company running and to be able to pay your employees. Of course, running a company takes a lot of effort and work hours spent solely on that. But every time one of your employees leaves, you loose capital--capital you have invested in his or her training and knowledge. The knowledge capital you loose is all the information that the employee has absorbed during his or her employment at your company and all the new skills he or she might have added during the course of his employment. So how can you make your company and working for your company more attractive and also produce great employees? There are many ways that this can be accomplished, most of them are rewards to the employee, but others that are just as important include the atmosphere and conditions at the workplace. This article will discuss just a few of the many possibilities you as an employer have to keep employee turnover low. For most employees, considering that they have an expectation towards the standard of living they have, a competitive salary is an important point. If you only pay minimum wages or never give raises and rewards, it is very unlikely to hold good employees that can make a lot more money somewhere else. To make their time worthwhile after hiring, you need to know what a competitive pay is and pay them either the average pay or slightly more. As for raises, raises together with evaluations will tell the employee that his or her effort and all the hard work he or she put into your company is appreciated. It also tells the employee how good his work is and what you will expect from him in the years to come. To produce a good employee, it is important to give the employee feedback on his work. Some companies reward their employees with bonuses for accomplished tasks or finished projects. Other companies will give their employees an award at the end of the month or year and generally attach a small bonus to that. Also consider a good benefit package. Many employees look for the benefits that companies offer to them and their family to make a decision whether they should work for this company or choose a different one. Often times, vacation is very important to employees. To be a motivated and good worker, employees need to spend time with their families or the things they love, like hobbies or sports. Yes, of course you would like them to work 60 hours for the 40 you pay, but consider this: an overworked overtired employee is most likely not able to work fast and efficient. That person also tends to be more error prone and unmotivated. Time off work to relax or regenerate is very important. Companies that offer ten days are often at the top of the list for employee turnover. Some companies offer flexible work times to accommodate for many different characters and situations at home. The employee that likes to come early and leave early versus the employee that likes to sleep long and then leave somewhat later feels just as welcome in this company or setting. Besides all these added factors, the work environment also plays a great role in producing great employees and reducing turnover. A respectful and good working environment is very important to keep employees happy and motivated. You know that a happy, motivated employee works better, faster and makes fewer mistakes.