Buying A Computer? Understand Your Options First (internet storm watch)
No commentsBy Percy Kinney
Anyone who already owns a computer has a good idea of what his or her computer needs are. However, people new to the world of computers can get lost in the multitude of choices. Here you will find some tips to what a newcomer to computers should do and why.
1. Purchase Basic Peripherals
First your computer must include all the basic peripherals. There are four major components to most computers, these are the; mouse, keyboard, monitor and the CPU unit. You will have to purchase a computer that includes all of these components, and then at home all you have to do is to plug the components into their designated sockets. Many computers also come with color-coding, so that each component is easily identified and assembled into one computer.
2. Determine What The Computer Will Be Used For
Basic components as described above will be adequate for a computer intended for performing simple word-processing and spreadsheet tasks, sending email or surfing the internet. If on the other hand the computer is used in your multimedia career, you will require the use of a digital camera, printer, tablet, digicam and a scanner. If again your career is in music, you will require a set of quality speakers and microphones.
3. Create A Budget And Stick To It
Decide how much you can afford to spend on a new computer. Remember to purchase a computer where all the basic peripherals can be included in your budget when you first start out.
4. Shop By Comparing The Various Models With Each Other
Comparison-shopping is useful when choosing a computer, e.g. you may want to go with the fastest modem and processor as well as the largest hard drive and dynamic memory that fit into your budget. Having a computer with large spare reserves will cut the price to upgrade the computer system at a later stage.
5. Buy Brand Name Items
When purchasing a computer you want a model from a computer manufacturer with a good and long market presence and with a reputation of quality service and products. The manufacturer must also be financially viable since computer manufacturers tend to have a very high turnover. Only the best manufacturers make it over the long run. You want your manufacturer to be able to fulfill its servicing, warranties, trades and returns. Brand name computers are a bit more expensive, but it is in your best interest to buy well known brands.
6. Where to Buy a Computer
Once you have determined what you require in a computer as well as what kind you want, all that is left is to decide where to buy the computer. Computers are available from several sources such as, online stores, computer store outlets, used computer stores, auction sites and your local yard sales. It is highly recommended to buy your computer from a physical store, where you can see the computer and ask questions before purchasing. Buying a new computer from a physical store offers the benefits of store warranties and services as well as trades and returns.
Follow these suggestions and you will find the best computer hardware for your needs. All that remains now is to move on to the software you require for your computer.
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Purifying Your Water with An Ultraviolet System
By Percy Kinney
Ultraviolet (UV) light water filtration and purification has been used for well over one hundred years to make drinking water safe. Today it is used by some of the largest cities in the world to purify their municipal drinking water supplies. These cities include New York, Rotterdam, Seattle, and many others in Europe, Asia, and North America.
For the past few decades much smaller UV systems have been available in North America for residential applications. These systems are made by such manufacturers as Trojan Technologies, Sterilight (R-Can), UV Pure, and Atlantic UV. Thousands of these systems have been sold and installed in homes, summer homes, cottages, and in many other public spaces such as campgrounds, community centers and churches. For the property owner contemplating a water treatment system the question arises: why would I want to use a UV system at all?
As with all water purification devices, the decision to buy any product should be based on how that product will impact water quality. That is, decide what you need to fix in your water, and then start looking for a product that will solve your problem. Not all water filtration or purification devices are created equal. Some products are designed to remove sediment, while some products will remove chemicals from the water. Other devices are designed to remove biological contamination. In the case of a UV system it is the latter. Anybody who is concerned about possible or proven microbiological contamination in their drinking water should consider a UV system. Do not look to UV to remove any chemicals from water nor to improve the taste and odor of the water. It simply isn’t designed for either.
It is typically rural-living individuals who are interested in an ultraviolet light water filter and it is usually a bad water test that begins their journey through the sometimes confusing world of water purification. A bad water test is a test that shows the presence of e.coli or coliform bacteria. Both e.coli and coliform bacteria should not be present in a drinking water supply. Any laboratory that tests water will be able to test for the presence of these two bacteria. Once it’s been established that either of these two bacteria are present in a water supply, it’s left to the property owner to decide how to proceed. Most rural water professionals will offer two choices when it comes to dealing with bacteria in your water: UV or Chlorine.
Chlorine is an aggressive oxidizing agent. When it’s added to water it very quickly attacks the tissues of bacteria or other microorganisms that might be present in the water. The trouble is chlorine also mixes with some of the naturally occurring chemicals in the water to produce harmful disinfection byproducts that end up in the drinking water.
UV, on the other hand, adds nothing to the water. It simply kills bacteria and other microorganisms as they pass by the UV lamp. Ultraviolet systems are comprised of a steel chamber into which a UV lamp is inserted. UV systems also include a power supply, sometimes called a ballast, for powering the lamp. Residential ultraviolet light water filters are usually plumbed on the main water line for a home or cottage. Some UV systems are equipped with a UV sensor and still others are NSF Certified.
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