It attacks your computer like the South American army ant. Tiny, harmless looking critters by themselves, in larger numbers they can cover, kill and dissolve a full grown cow in a matter of hours.

Okay, maybe not exactly like that. But, wood shop and machine shop owners are experiencing the devastating effect manufacturing dust can have inside their shop computers. And they are looking for answers.

It doesn’t take much to ruin your day, especially, when metallic dust meets sensitive electronic components. Electricity chooses to travel in the shortest route possible, and little bridges of metal dust make great short cuts. Zap! WRRrrrrrr…

And wood dust makes a great insulating blanket. That’s okay if you’re lost in a big wood bin and freezing to death, but to a hard working computer it can be bad news. Heat sinks and fans attempt to dissipate the heat from within your computer, but a layer of dust can reduce or prevent this transfer of heat. Also, computer fans can malfunction when dust and grime are allowed to build up. Things heat up. Computers die. Data is lost. Business suffers.

Okay, what’s the answer then? How do you protect your computer from dust?

The actions you are willing and able to take to protect your computer equipment from dust depend on a large number of individual circumstances. Regardless of your situation, I recommend you take a three-front defensive position and optimize for each of the following areas:

• Computer room environment
• Protective computer dust barriers
• Computer maintenance

Let’s look at each of these areas individually.

Computer Room Environment
Control the environmental conditions surrounding your computers. The ideal solution would be to keep your computers and monitors in a clean, climate controlled computer room. In other words, take them out of the danger area. Of course, this is unrealistic or undesirable to many shop owners, who want, or need the computers to operate in the immediate work area.

So what then? Do what you can to control the dust and air pollutants in the shop. Use and maintain dust collectors for woodworking machines and a ventilation system for the shop area. And, if you can’t move the computers out of the shop, try to move them across the room, away from welding, grinding or direct contact with billowing sander dust.

Protective Computer Dust Barriers
These include computer dust covers, dust filters, computer dust bags, and computer enclosures. Each has its advantages and limitations as described below. Determine which option is the best solution for you.

Standard computer covers are made by a number of manufacturers. Usually plastic or vinyl, they are cheap, but effective in keeping dust off your computers and monitors. However, they may only be used while your computer equipment is shut down. And, you must remember to put them on. Every day. In other words, they are almost useless in a busy shop.

Computer filters, on the other hand may be used while the computer is running. Also very cheap, these small pieces of loose mesh material are placed over fan air intakes in the computer case to remove dust from incoming air. Some have experimented with using panty hose, Brillo® Pads and other household items with some success. The main drawback with computer filters is their small surface area. They clog up quickly in dusty areas and must be cleaned, or changed frequently to allow the unimpeded flow of cool air into the computer case. Another drawback is that they leave other openings in the computer case unprotected, allowing fine dust to infiltrate the CD ROM drives, floppy drives and other small openings.

Relatively new on the scene, computer dust bags are a combination computer cover and computer filter. Designed for the harsh, dusty and smoky conditions inherent to wood shops and machine shops, these innovative covers entirely encase the computer processor or monitor at all times, allowing the entire surface of the bag to act as a huge dust filter to remove dust from incoming air. Monitor dust bags have a see-through, anti-static front to allow a clear screen view, and are very effective in keeping dust, wood chips and other debris out of the cooling vents. At around $20 or less, the recommended life-span of the computer dust bag is 3-12 months, depending on the level of dust in the shop. A possible drawback to using the computer dust bag is reduced access to CD and floppy drives. However, it is possible to use these drives if you cut a hole in the dust bag and cover it with a door flap, which is included with the bag. You may also have to cut an access slot to use your USB ports.

Finally, computer enclosures are typically metal or wood, box-like cabinets which your computer processor and monitor are placed in to protect them from the surrounding environment. A variety of fan and filter combinations introduce fresh air into the enclosure. Computer enclosures have the added advantage of protecting your equipment from blunt force trauma, such as a falling 2×4, chemical splashes and other things harmful to your computer. Filters must be changed regularly. Disadvantages include high price, greater amount of space required, and filter maintenance.

Computer Maintenance
Finally, the third part of a sound computer dust protection strategy is computer maintenance. Yes, that means cleaning. Does that scare you? It’s easier than you think. You don’t have to buy all kinds of expensive tools and cleaning agents, and no heavy scrubbing or complicated disassembly is needed. The most important thing is to maintain a regular computer cleaning schedule. It may be as simple as opening the computer case once every three months to blow out the dust. Educate yourself on the computer cleaning basics and decide the right course of action for yourself.

Just as numerous insects and animals perish when attacked by the army ant, a great number of computers are killed by dust every day. Don’t let it happen to you. Follow the common sense ideas shown here and stop computer-killing dust in its tracks!

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www.geekteks.com – A step-by-step tutorial on how to build your own PC computer for under $1000 using only parts from neweg http – A step-by-step tutorial on how to build your own PC computer for under $1000 using only parts from newegg.com. One of the most thorough tutorials I have seen to date! Part 1/5 = www.youtube.com Part 2/5 = www.youtube.com Part 3/5 = www.youtube.com Part 4/5 = www.youtube.com Part 5/5 = www.youtube.com…

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Erik Keranen is the founder of Computer Dust Solutions and publisher of the Computer Dust Solutions newsletter. You can sign up for the newsletter and get a free copy of his Standard Operating Procedure, “Computer Cleaning and Dust Protection in an Industrial Environment” at the web site, www.computerdust.com.

Learning how to fix computer errors can be a real life saver at times. With the popularity of the personal computer rising everyday obtaining some basic technical computer repair skills can be very beneficial. When you first buy your computer it runs extremely smooth but as time goes on and your usage of your computer increases you may begin to notice a change its overall performance.

The power of present day computers is amazing, although they do have their problems and if you don’t know how to fix computer errors when they present themselves you can become very inconvenienced. Computers do require regular maintenance and they need to be periodically upgraded and if you fail to keep up with some easy maintenance you will no doubt experience problems. There are a few simple tasks that can be performed to fix computer errors and help prevent them from occurring in the future.

Tips That Will Help You Fix Computer Errors

If your computers registry becomes corrupt or unstable it will dramatically affect your computers performance in a very negative way. You may notice your computer is running extremely slow and your having to wait for programs to open or it takes awhile to switch from web page to web page. If you use your computer for work or school or maybe just to run the family’s budget, learning to fix computer problems can be extremely beneficial.

When your computers registry has been corrupted you may have error messages popping up on your screen such as “fatal .exe error” or “.dll file error” and these type of errors can cause your system to shut down or freeze up leaving you with a computer that you cannot use. When these type of errors occur it can be extremely frustrating because you may be in the middle of some important work so if your learn how to fix computer errors such as these you can avoid serious down time.

One of the first steps you should take in efforts to solve your problem would be to run your disk defragmenter. Running the disk defragmenter may reduce the occurrence of errors by condensing all the files in need of repair.

To fix computer errors that are related to your computers registry, you should complete a registry scan so that all the unused, old and unwanted data can be detected and removed. To clean your computers registry you will need to buy a good registry cleaner program. I want to emphasize on the word “Buy” because there are a lot of free registry cleaners available but it’s a terrible idea to even try a free registry cleaner. Free registry cleaners will not only just not fix computer errors they will cause damage to your system. When it comes to the free registry cleaners the programmers will put in malicious code and adware and spyware programs that will collect and transmit your personal information and in many cases end up leaving your computer so damaged that it cannot be repaired.

Reg Clean is one of the more advanced registry cleaner programs available as it can perform a variety of preventative maintenance tasks as well as removing malicious spyware and viruses that have infected your registry. When you run a scan with Reg Clean it can fix computer errors as it cleans up your entire registry and it performs a registry backup while it is defragging your system.

There are a number of viruses out there that can really attack your system causing all sorts of problems. Spyware and virus programs can be the cause of a variety of computer errors. They are capable of overwriting program files or deleting necessary file extensions disabling important programs and limiting the functionality of your system. To fix computer errors that are a result of spyware and some viruses you can use updated antispyware and antivirus protection.

Damaged or corrupt programs or virus infections can cause serious damage to your computers boot section, and this will prevent your system from booting up properly or possibly not at all. When you need to fix computer errors related to your system booting up properly you should use your Windows XP Boot CD as this can repair the Windows XP installation which can overwrite computer errors picked up through spyware or viruses.

If the problems that you are having are directly related to your computers memory you will experience some of the following problems; system crashes, system hang or computer freeze, blue screen, constant restarts and crashing software programs. To fix computer errors related to your systems memory there are specific software programs that can help free up some memory space which will help solve RAM related problems. Improving your systems memory which is also known as RAM (random access memory), will improve your computers performance dramatically so I would highly advice you to do a computer memory test. To complete a memory test there is specific software available for such a task, one program that I am aware of that is very effective is called Memtest86, this can help you zero in on your problem allowing you to fix computer errors brought to your attention.

If you have tried all the advice given in this article and your still experiencing computer problems I would do a search on the Internet for information on how to fix computer errors. You will find many websites that focus on computer basics and troubleshooting. I would be very careful though and really check the websites credentials so you can be sure that your getting advice from a reliable source. There is also a software program available that can help you learn how to fix computer errors but again I would be very cautious about any program that needs to be down loaded and run on your computer. Remember preventative maintenance can save you from a lot of unnecessary problems and one of the best preventative measures you can take is to purchase a reputable registry cleaner program and use it periodically.

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www.geekteks.com – A step-by-step tutorial on how to build your own PC computer for under $1000 using only parts from neweg http – A step-by-step tutorial on how to build your own PC computer for under $1000 using only parts from newegg.com. One of the most thorough tutorials I have seen to date! Part 1/5 = www.youtube.com Part 2/5 = www.youtube.com Part 3/5 = www.youtube.com Part 4/5 = www.youtube.com Part 5/5 = www.youtube.com…

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Visit my Squidoo Lens for more great tips to help you get your computer running at its peak performance by learning how to fix compuer errors. You can also sign up for my FREE newsletter at Registry Cleaner Program Reviews where you will find pages of helpful information.

To start the most significant fact that should be stated is that the computer is a tool, and as with any educational tool, from books to crayons, it can be used to enhance the curriculum and promote learning, but it can also be misused and abused. In this essay, I will discuss the disadvantages of having computers in the classrooms due to the misuse and the abuse of this tool.

I found it hard to find research that had been done on this topic because not only is the research on the effectiveness of computers in the classroom scarce but the research that is there is often done by software companies and therefore may be biased. (Emmans 2001). Even though there is no clear-cut answer to the question of a computer being a friend or foe in the classroom, having an unsolvable question of good or bad brings many issues to light. For example, the fact that much of the software designed for children is appealing to them. If nothing else, it at least holds the children’s attention. Though this may seem like a positive characteristic, consider this, just because a television show holds your attention, does it necessarily educate you? The answer to this is simple, maybe some do, but certainly not all do, mostly they are just simply entertaining. This causes me to raise an eyebrow at some, not all, software. As a teacher, one must not use time-fillers, cause a child can watch television or play on a computer at home, but as a teacher, we must educate, and if there is no educational value in the software, what good is it for a teacher? On the defense for teachers, another reason for computers being a shortcoming is that sometimes the software is not obvious that it is non-educational. This can be a common mistake of any educator, being fooled that a product could be educational when it is merely entertainment software dressed up in an educational costume aimed at these gullible teachers.

According to Cindy C. Emmans (2001), a professor of Educational Technology at Central Washington University, on software in the classroom…

” Often feedback is the key to learning, and computers are appealing because this feedback can be immediate, which is of course a very effective learning tool. Unfortunately, this feedback is not often as effective as it might be, perhaps because it is not easy to return to the original question to try again, or the student must begin at the beginning to review the original content rather then backing up a step or two. In some cases, the feedback for the wrong answers is more appealing than that for the right answer, causing students to try and get the wrong answer simply for the entertainment value”.

Gerald W. Bracey sums it up adequately in a journal article called Principal by basically saying that the bells and whistles are all there, but the education is not, because it was not produced by someone who understands how children learn. (1996, p.6).

More arguments in the research area continued in September of 2000, the Alliance for Childhood published a statement against the use of computers in schools. More than 85 experts in various fields including psychiatry, education, and philosophy signed the statement in which calls for a suspension on the promoting introduction of computers into the nation’s elementary schools until there is a more careful assessment of their effect (Hafner, 2000). Another influence in opposition to computers in classrooms is that of Jane Healy, an educational psychologist and the author of “Failure to Connect,” a book criticizing educational applications of computers. Thomas Crampton interviewed Mrs. Healy and she declared that computers “can hurt children’s personal skills, work habits concentration, motivation, (and) the development of social skills” (IHT, October 2000, p. 19).

Another reason that computers in the classroom would prove to be a disadvantage is the availability of computers in the classroom to each individual student. It is rare to find a school that, in each classroom, has a computer supplied for each student. This then brings up the problem of scheduling and rotating the students to the computers available. (Tiene 2001) This begins a whole new ball game in which you are now consuming a lot of time in which could be used for more productive measures rather then scheduling computer time for each student. If this is the case, and only a specific amount of students can be on the computer at one time, then you are dividing your classroom, and not integrating it, as it should be. This causes many difficulties in teaching a whole group instruction, which leads to problems in skill development, since the attention of some students is lacking. (Tiene 2001).
On the Colorado state education web site (2003), I was able to find questions that were asked to teachers regarding computers in their classrooms. The teachers were asked, “What do you find unattractive about teaching in a computer based classroom?” The one teacher commented that, ” Students have a tendency to come in a print out their papers at the beginning of class instead of coming into class with a hard copy…” Another teacher said, ” Technological difficulty, your whole lesson could be shot for the day if the computer would go down”. When the teachers were asked about the difficulties they faced themselves and with the students due to computers in the classroom, they answered, ” It is hard to get the students attention when they are on the computers.” Another teacher commented, ” There are times that I send them to work and instead they are interacting with each other.” Another teacher stated her fear of the computer classroom by saying that, ” Students are at their own screens, they’re in their own little world, and they are not talking to their classmates, sometimes I think that they don’t even know half the names of all the people in their class.” (Barnes 2003) I feel that these teachers comments are very important when looking at the issue of computers in the classrooms, because these are the people that actually interact with the children in the classroom, they are not just some random research study by a software company, these people are the real thing, and they see how computers are effecting their classrooms.

Another issue of computers in the classrooms regards the child’s health. If a child were to be functioning on a computer for a long interlude of time or with incorrect positioning they will inadvertently obstruct their own health, some problems caused from this include muscular-skeletal injuries and vision problems. (MacArthur & Shneiderman, 1986).

Another issue concerning computer use in classrooms is that a lot of teachers have not been trained to use a computer, and many do not know how. An enormous amount of time would have to be consumed for the teachers to learn both the hardware and the software of the computer. They also would need time to collaborate with other teachers. Time is something that many teachers spend planning lessons and the weekly events of their classroom. The other problem that was just mentioned was the training of the teachers. Some educators do not have local training options available to them. Some do not have the time or money to spend on it. Another issue is that even if a teacher does go through training, there are always unsuspected things that can go wrong with a computer. If a teacher were to base their whole lesson on a computer, and it were to crash, and the teacher just being minimally skilled in using computers, would not be able to fix the system so that they could continue their lesson. (Tiene 2001).Therefore an on-site technology expert would be needed on site at all times in case any of these incidences would happen, and quite frankly I do not think that there are too many school districts looking for another expense.
Another reason for computers being a disadvantage in the classroom is that if the computer is Internet accessible, if this is the case, then the children can be exposed to Internet content that is not appropriate for their age level. They can also be exposed to child predators, which is a huge concern in today’s world.
Though this may seem far-fetched it truly is not in an article published on the gurdian angel websitein 2000 states,
“The facts are plain. Children are being targeted, solicited, and made victims by pedophiles. What do the ratios or statistics matter? Isn’t even one too many? These predators range from the simple minded closet pedophile who has surfaced because they believe they are safely anonymous behind their account alias, to the highly organized and skilled child pornography rings that operate predominantly off of US soil, behind quick discard web sites, and anonymous re-mailers, pushing their hideous wares for big profits. Have you ever heard of a child being molested or kidnapped in your hometown? Don’t you teach your kids to watch for certain things and, not to talk to, or go anywhere with, strangers for just that reason? This is our point. Just as there are real world lessons that you teach your children, there is a necessity to teach them cyber-world lessons. ” (Hook, 2000).
To put this quite simply, are you sure that your child is being watched very closely when accessing the Internet at school? It sure would be hard for one teacher to keep a close eye on each individual student in the classroom when they are all accessing the Internet at the same time. Therefore are you, as a parent or a teacher, really quite sure that a computer is necessary to learn in school? I mean, didn’t you, the parent or teacher, learn in school without the computer? I agree that learning the latest technology is a necessity, but I do not agree with using computers for classes like mathematics or reading.
To sum it all up, Computers in the classroom lacks research of it being an advantage in the classroom. Computers in the classroom may not provide the students with the proper education that they need if the software being used is not adequate. Computers may not be, depending on the school, made available to each student. The attention of the students is harder to get when they are on the computer. An inexperienced teacher in the technology area may cause many problems in the classroom, and consume valuable time that could be used to educate. Most schools do not provide an on site technician in case a difficulty may arise. The children’s health may be affected by long-term use of the computers, and probably the most frightening one is that these children can be exposed to child predators and unfiltered inappropriate content through the web while they are in school and in their classrooms presumed to be receiving their education.

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“Sketchpad, A Man-Machine Graphical Communication System”, described as one of the most influential computer programs ever written. This work was seminal in Human-Computer Interaction, Graphics and Graphical User Interfaces (GUIs), Computer Aided Design (CAD), and contraint/object-oriented programming. While watching this video, remember that the TX-2 computer (built circa 1958) on which the software ran was built from discrete transistors (not integrated circuits -it was room-sized) …

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Katie Criss is a graduate with a dual degree in Early Childhood Elementary Education, who enjoys writing and wants it to be seen! Also enjoys doing research and saving money!See this Authors Research by clicking here

Article Source: ArticlesBase.com – Disadvantages of Computers in the Classroom

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Fujitsu desktop computers are a great alternative to the more well-known desktop brands. There are several unique features that make the Fujitsu desktop computers stand out from other desktop computers. If you are looking for a computer that has a lot of versatility and many other great features then the Fujitsu may be right for you. The Fujitsu computer is similarly priced to other computer models, but since it contains many features and benefits Fujitsu computers stand out as a clear choice.

Fujitsu computers come with a large amount of processing power. Most of them have an Intel Core Duo processing unit, which makes the processing power of the computers faster than any computer that just has a single processing unit. Duo processing means processes take half as long. The processing unit of the Fujitsu is also environmentally friendly.

The processing unit is not the only part of Fujitsu desktop computers that are environmentally friendly. All Fujitsu computers comply with the European Union’s Restriction of Hazardous Substances procedures. Fujitsu also chooses products and materials that are safer for human use as well. This makes Fujitsu computers some of the most environmentally sound among the many brands any available in the market today.

Another great feature of Fujitsu computers is their ability to expand with additional hardware options. Fujitsu computers come with multiple PCI and PCI express slots which make it easy to install extra memory, network options, and other hardware needs. The multiple expansion slots make Fujitsu one of the most easily modified computers. Modification capabilities are becoming rarer these days, so a computer that still offers customization is a major plus.

Another great feature of Fujitsu computers is the graphics capabilities. With many computers the graphics card that comes with the computer is too small to run many games or programs. The graphics card that comes with a Fujitsu computer is capable of running almost any game out in the market today. Fujitsu computers also come fully equipped with the Windows Vista operating system.

A Fujitsu computer also comes with many external card reader slots and USB ports. The inclusion of so many different types of card readers makes it easy for anyone to upload their pictures or other information onto the Fujitsu computer. Fujitsu computers come with a card reader that is compatible with almost any memory device out there.

The last great benefit of a Fujitsu computer is the design of the CPU. The computer is designed to be taken apart and put back together quite easily. This makes it easy not only for users to upgrade the computer, but it also means that when the computer has to be taken in for repairs that they are able to be completed quickly and efficiently. The use of the easy-access CPU style is one of the biggest things that stick out about Fujitsu computers.

If you have never considered purchasing a Fujitsu computer, then consider looking into it for your next computer purchase. With all the features and benefits offered by Fujitsu, you will not be disappointed.

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Nasreen Haque

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Computers have become an integral part of our daily lives and for the most part they work without any problem and do all that we ask of them.

On occasion however computers PC. will fail sometimes through lack of maintenance, software errors or virus infestation, and sometimes due to a variety of hardware failures including hard drive failure for example, which of course can be devastating to home and business users alike.

Data recovery is crucial if suffer from a hard drive crash, but hopefully this is something that most people will never need.

Whatever your computing problem finding local computer help or IT support quickly will help you get back on track in the shortest possible time frame and this is where we are here to help.

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D.N.L Computer Repairs is a useful and helpful resource to help you quickly find a repair technician in the area of Derby no matter if you are a PC home user or a business user.

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If your machine is getting on a bit and things are falling off faster than you can stick them back on, then why not give it a little TLC and let our PC repair service replace the parts before they finally fry! PC repair can breathe new life into your old PC and can replace like for like parts when performing the repair, or you could even opt for an upgrade at the same time.

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A British film about computers from 1969. It is presented here as a historical look at how computers used to be in the 1960′s when PC’s and Macs were over 10 years away. Shown in three parts. Sorry, but the 16mm print is rather battered! To my surprise this clip was featured in ‘The Guardian’ newspaper’s Technology supplement on Thursday December 6th 2007.

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D.N.L Computer Repairs offers quick and reliable computer service and repair at a reasonable price, furthermore receive free advice about your computer problem and any other questions that you may have.

All work is guaranteed, so if we don’t solve your computer problem, you don’t pay. Simply call us to select an appointment time that fits your schedule.