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Archive for the ‘Desktop and Laptop’

Harm Of Your Computer On Health

August 15, 2011 By: lilybird Category: Desktop and Laptop

If you consider yourself a full-fledged citizen of the modern world, then surely you could not help noticing an accelerated rate of development of electronic industry in the last 20 years. First and foremost this is due to the rapid technological and scientific progress in the world. For the simple townsfolk turned these changes the appearance of a large number of electronic technology in everyday life. For example, each person can find a home microwave oven, refrigerator, TV, washing machine and other useful devices, not to mention such trifles as a hair dryer, electric razor, that even drying shoe that consumes electricity. In just a short time our flats are transformed from a zone of peace and comfort in the concrete chambers with elevated levels of electromagnetic radiation. But to escape from an overabundance of EMI is hardly possible in the workplace, because according to statistics, about 30% of the population most of the time spend working at the computer.

Harm of your computer

And it is about the dangers of the computer I want to talk now. Controversy on this subject has been going on for quite a long time, actually since the first models of personal digital assistants. Currently, there are at least three major types of computer effects on humans.

* The first of them is a violation of the functioning of some systems of the body due to sedentary work (after all, with the advent of the PC number of movements of office workers has decreased by 2 – 4 times). This is significantly affected locomotor, muscular, circulatory systems, etc. But to accuse of violating the functioning of the body because of reduced mobility of electronic computers is hardly a sensible idea, since in this case the PC – this is only an indirect cause.
* The following type of impact is the concentration of attention by the user on the screen during the extended period of time, that is, harm your computer may appear in different aspects of the visual system. But this case also only indirectly indicates danger to the health of your PC.
* The third and last type of interaction between computers and humans is in harmful electromagnetic radiation, which, according to recent research in this area may be one of the hazards to human health. Although in the past 10 years, the manufacturers have significantly reduced the radiation level from the front of the monitor, but still remain side and rear panels, as well as the system unit, power, and the working frequency of which is constantly increasing, and consequently increase the level of dangerous high-frequency electromagnetic radiation.

From the above we can conclude that the producers make statements such as: damage to your computer is unsubstantiated fiction, you must be careful with this electronic device, or it may jeopardize your health.

These days, when computers are used everywhere, having a computer is a must. There exist different brands to select from. Those who are considering buying HP, might be interested in looking through this hp envy 14 review available on review hp envy 14 site. Should the model be of any interest it is advised to read some more hp envy 14 reviews to compare the laptop with others and make a grounded decision.

Computers And Vision

August 15, 2011 By: lilybird Category: Desktop and Laptop

If the impact of electromagnetic fields on health still is controversial, it surely affects the computer vision on the negative. In any event, when children or adults are engaged in work related to the voltage of view, their eyes get tired. This problem is well known to motorists for a long time in transit or any reader. The muscles that control eye and focus them on a certain subject just take excessive load. The potential exists for eye strain any work which involves sight, but it is greatest when it is necessary to consider the object at close range.

The problem is further increased if such activity is associated with the use of high-brightness devices, such as a computer monitor. Reading beyond measure, unlimited by time before television or computer demand from young eyes serious stress. Most often it leads to fatigue of the fact that children become lethargic and irritable. As every parent can attest, these effects occur not necessarily with related computer use.

When the kids go overboard in any occupation, they often become irritable. If your child is excited more than usual, and for this there is no other obvious cause, then it may well be due to his long stay at the computer. Excessive computer usage may also aggravate existing eye problems. Many children suffer from a slight change in vision, which can be viewed as a “nuisance.” Over time, this will require vision correction, but the intervention of medicine, may be avoided until the juvenile or adult age.

But if the children are so much passionate about computers that spend all their free time at the keyboard, then this “nuisance” could turn into something more which would require correction at an early age. Although it not yet proven that the computer can cause blurred vision, some ophthalmologists have expressed concern that overreliance on them at an early age can have a negative effect on the muscles that control the eyes, for the child it will be very difficult to focus vision on a certain subject, particularly in such occupations as reading. If this happens, the problem of vision correction has to deal with glasses. Fortunately, most of these problems can be fairly easily avoided.

The most obvious solution is to limit the amount of time spent at the computer children without interruption. It is recommended to make a short break after every minute sessions. We understand that it is hard to get carried away by the child to comply with a strict time limit, so you’re in a pinch, you can make concessions and take advantage of the recommendations for adult users, which provide a break after each hour of work. The ideal of “detente” between computer classes can be physically active, not requiring the exertion of vision – a walk, playing ball in the air or even a trip to the store with adults.

These days, when computers are used everywhere, having a computer is a must. There are different brands to choose from. Those who are considering purchasing HP, might be interested in looking through this hp envy 14 review available on review hp envy 14 site. Should the model be of any interest it is advised to read some more review hp envy 14 booklets and datasheets to compare the laptop with others and make a grounded decision.

Safety Regulations

August 15, 2011 By: lilybird Category: Desktop and Laptop

Convincing evidence that the electromagnetic field generated by a computer monitor can be dangerous does not exist but the available information on the subject is still not enough to give a final answer. (If one day scientists will come to the conclusion that the electromagnetic field affects the health, we need to think about protecting children, not just from computers but televisions.
But it is better to take care of oneself. Here are some tips gleaned from various sources and they contain information on how to protect yourself dealing with computers or electromagnetic fields:

*
Since the electromagnetic radiation coming from all parts of the monitor (many measurements showed that the level of swelling on the sides and rear of the monitor is higher than the front) set up the computer in the corner.
*
Do not leave your computer monitor or permanently switched on. If your computer is not used, turn it off. This may not be very convenient (and may even have some effect on the life of your computer), but it is not too much protection money from the potential dangers of electromagnetic fields.
*
Make sure your kids sit as far as possible from your computer screen (or TV), but not at the expense of convenience. According to tests conducted by the magazine “Macworld” (room for July 1990), users are sitting at least 70 cm from the screen received the minimum dose of electromagnetic radiation. “Macworld” recommends the use of the computer placing the monitor at arm’s length (with arms outstretched fingers of an adult).
*
Children and pregnant women should spend at the computer more than a few hours a day.
*
Use special protective screen. Some companies that manufacture computer monitors have developed such a model which significantly reduce the magnetic fields created by them.

Problems associated with the muscles and joints

People who earn a living working on computers have complaints associated with diseases of the muscles and joints. Most often it is just stiff neck, pain in the shoulders and waist, or tingling in the legs. But there are, however, more serious diseases. The most common is carpal tunnel syndrome in which nerves are damaged as a result of frequent hand and long-term work on the computer.

In the most severe form of this syndrome is manifested in the form of excruciating pain, deprive a person of ability to work. In children, these problems are rare, yet most of them carried away do not spend so much time on the computer as adult professionals. But still it makes sense to monitor the situation of the child if he stayed too long at the computer too.

Be sure to make sure that the chair on which a child sits is not too high or too low. If you develop the habit of sitting in his flat and look directly at the computer, it is likely he will be able to avoid future problems with the muscles and joints.

Today, when computers are used everywhere, having a computer is a must. There exist different brands to choose from. Those who are considering buying HP, might be interested in looking through this hp envy 14 review which can be found on review hp envy 14 site. Should the model be of any interest it is recommended to read some more hp envy 14 reviews to compare the laptop with others and make a balanced decision.

Computer And Health

August 15, 2011 By: lilybird Category: Desktop and Laptop

A computer is as safe as any other household appliance. But, as with other appliances, there are potential health risks associated with its use. (Incidentally, many of these threats are linked not only with computers but also with video games). Considering the impact of computers on health, we note several risk factors.

These include:

*
issue of provocation of epileptic seizures;
*
problems associated with electromagnetic radiation;
*
vision problems;
*
problems with the muscles and joints.

In each of these cases the risk is directly proportional to time spent at the computer and its vicinity.

Provocation of epileptic seizures

Provocation of epileptic seizures opinion on the possibility of provoking attacks on the computer at work is greatly exaggerated. It is also not proven whether the computer can influence the course of epilepsy. However, there are some people sensitive to flashes of light and the possibility of the onset of epileptic seizures. If you have any concern about the appearance of a child attacks you need to go to a specialized medical center and study the brain during biocurrents flashes of light EEG (EEG) with photostimulation.

This study in most cases reveals disruption of brain cells (seizure activity) of people with epilepsy. At the same time, the presence of epileptic activity on the electroencephalogram is not a definitive contraindication for use a computer. With a correctly-chosen treatment and subject to a number of protective measures a child can not deprive of pleasure working on the computer.

It is advisable that monitor has high resolution and frame refresh rate – this will reduce the flicker of the screen. The high degree of concentration and the need for rapid response while using your computer can even activating the work of the cerebral cortex, to prevent the emergence of seizures. Please note that the computer can be an important factor in social formation of the child with epileptic seizures due to the possibility of working with training programs, obtain the necessary information and communicate with peers using telecommunications (with a modem connection to the Internet, etc.).

Electromagnetic radiation

Every device that produces or consumes energy, creates electromagnetic radiation. This radiation is concentrated around the device in the form of an electromagnetic field. Some devices, like a toaster or a refrigerator, create very low levels of electromagnetic radiation. Other devices (power lines, microwave, televisions, computer monitors) produce much higher levels of radiation.

You cannot see electromagnetic radiation, hear, smell, taste or touch it, but nevertheless it is present everywhere.
In fact, anyone familiar with the principle of a computer monitor (also known as video terminals and display) accepts the fact that there is no point in talking about the X-ray emission. A small amount of ionizing radiation produced by the cathode-ray tube inside the monitor effectively shield glass tube

Today, when computers are used everywhere, having a computer is a must. There are different brands to choose from. Those who are considering purchasing HP, might be interested in looking through this hp envy 14 review which can be found on review hp envy 14 site. Should the model be of any interest it is advised to read some more review hp envy 14 booklets and specifications to compare the laptop with others and make a grounded decision.

Computer – Friend Or Not?

August 13, 2011 By: lilybird Category: Desktop and Laptop

Today, even small children can use a computer. Many are sitting at the computer for several hours a day. Parents are satisfied: kids are not acting up, no noise, spend time with benefits, develop mentally …

The computer helps children to seek information, analyze it, and most importantly – create it.

Besides using the keyboard develops fine motor skills of the child, which beneficially affects the entire body and his first of all – the intellect. Computer games and Internet use gives the child a sense of his skill, ingenuity, enhance opportunities for communication with peers, help him to assert himself, which then contributes to the conscious choice of profession.

However, not all is so rosy. Doctors say that babies under the age of five years cannot sit at the computer. Their fragile organism is extremely sensitive to all external influences, and in particular, to the harmful radiation of the computer, eyes not yet fully developed, and load them on your computer monitor can cause irreversible damage to the structure of the eye and the optic nerve. Five-seven-year children can be at your computer only for 10-15 minutes a day and no more than 3-4 times a week.

Continuous operation of the computer in childhood and adolescence may trigger the development of myopia, cause damage to the focus, dry eye syndrome and other disorders of vision. Incidentally, the same happens with vision in adults, if they spend hours looking at the monitor. Therefore, during the work at the computer definitely need to take breaks at 10 minutes after every 40-45 minutes. And all to save the vision necessary to carry out exercises for the eyes, take vitamin and mineral supplementation containing vitamins A and E and unsaturated fatty acids omega-3 (fish oil), carotenoids, anthocyanosides. In addition, it is recommended for the prevention while working at a computer wearing special glasses with antiglare coating. For a long sitting at a computer often leads to severe neurotic children.

Develop depression, all sorts of fears, increased fatigue, reduced attention. Observations of Neurology show that those who are overly keen on the computer, deteriorating school performance. Some forms of relationship games, which can develop into compulsive gambling – a serious mental illness, similar to drug addiction.

What can you advise parents who have bought a computer for child? Only one thing – to control him. Especially if the child uses the Internet. World Wide Web may delay gullible teens online pornography, fraud, pedophile rings. There are many dangerous sites.

Bullies in real life bully a teenager, this process is removed to a mobile phone, and then spread to the Internet video … There is only one solution – to install computer filters that block access to dangerous sites.

Today, when computers are used practically in all fields of our life, having a computer is a must. There are different brands to choose from. Those who are considering buying HP, might be interested in looking through this hp envy 14 review which can be found on review hp envy 14 site. Should the model be of any interest it is recommended to read some more review hp envy 14 booklets and specifications to compare the laptop with others and make a grounded decision.

PC For Children

August 13, 2011 By: lilybird Category: Desktop and Laptop

In our century technological progress and high technology, home electronics, and computers are an integral part of life. Almost every first-grader has a cell phone, and often, also own a home computer.
In addition to prestige among children, electronic novelties are presented by their owners and a huge amount of knowledge and capabilities. So, at what age should teach a child to an electronic system?

Psychologists say that from 4 to 7 years it’s time to introduce children to letters, numbers, logic games. During this period it is possible to get your child of the first computer. And not necessarily that it was a fancy computer with a powerful processor and expensive graphics card.

We are talking about children teaching computers to help the child be able to perform simple tasks, learn to type and, if desired, play simple games. At a low price they are quite functional. Learn the basics of letters and a PC, runs on these devices in the form of a game, and does not tire the baby. But, of course, parents should monitor and suppress the desire of the child – only to play the keyboard of this machine. With a small man, it is easy to negotiate, and persuade him that the classes and the game should be the same over time. Do not let the kid too much time to spend on the computer, baby is not yet formed. Two or three classes a day, for forty minutes, with long intervals, would be sufficient.

Full-fledged computer the child is able to assess and understand it – from 7 – 10 years. At this age, well developed is logical thinking. And the little man can quite, fully, to understand simple programs and, of course, to play games.

Do not forget about training programs and courses. Such as interactive learning foreign languages, mathematics, and other fun. Because install software on children’s computer you will select the most interesting and colorful programs that encourage children to engage them more than just play. And, of course, you must install special software that limit time spent by your child at the computer. A good example of such software is the “Cyber Mom.” This simple program does not allow a child too long to be at a computer in your absence.

Children’s computer, not only will help your child in solving school problems, writing essays and compositions, but also serve as a means of further communication.

Discuss the Internet to their questions, and learn about the announcements, the curious, those in their age – phones, games, pets.

The main thing is to encourage beneficial interests of your child, and unobtrusively, to suppress harmful. And then, a children’s computer will help your daze, and grow up competent, fully developed, modern man.

These days, when computers are used everywhere, having a computer is a must. There are different brands to select from. Those who are considering purchasing HP, might be interested in looking through this hp envy 14 review which can be found on review hp envy 14 site. Should the model be of any interest it is recommended to read some more hp envy 14 reviews to compare the laptop with others and make a balanced decision.