Computers

Online scams can and do get many people every day. The key is to learn how to protect yourself and not fall for these scams.

It’s actually pretty is if you follow a set of rules. One of the first things anyone needs to do is not open email attachments from people you do not know.

Email is one of the biggest ways scams come to life. When people learn how to protect themselves from bad emails they significantly lesson their exposure to these online scams.

So what are the other ways people can protect themselves online? To answer this question lets first start out with a list of things that need to be done.

1. Do not open email with attachments from people you do not know.
2. Use up to date antivirus software.
3. Use a computer router.
4. Get and stay educated.

When using email, use common sense. As stated above, do not open email with attachments from people you do not know.

However, this is not the only rule you need to follow with email. Many times emails are delivered to inboxes with no attachments that are scams.

An example of this is lottery scams. Or people overseas asking for money. If you receive an email out of the blue stating there is a big prize waiting use common sense.

If you didn’t sign up for anything or never heard of the company don believe it.

You also need up to date antivirus software. Many times people open emails with viruses or get them from surfing the web from one of the ever growing list of bad websites.

If you use antivirus software it will help get rid of these viruses on your computer. Some viruses can transmit data from your computer to some other server somewhere else on the internet.

You certainly do not want this to happen. Make sure you use antivirus software. If you have a broadband internet connection, then you will want to have a router to help protect your computer and information.

You can get a router from any computer store like best buy for around $50.00. It’s a minimal investment for the protection.

Make sure the router has a firewall in it. This will help protect your computer by making your computer address stealth. Your computer has an address and hackers can see it on the internet unless you have protection.

Last but not least is to stay educated about scams. You can find out more information many ways. Read the news on Google or Yahoo or go to your favorite search engine and type in online scams and read all you can. Knowledge is power.

As you can see, staying protected online is not really that hard. You need to follow a few simple rules and stick to them.

Above all use common sense. Listen if you receive an email from a company you never heard of telling you to respond with your information don’t do it. It’s more than likely a trick to try and get your information.

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what is a computer virus

I had a problem of hacking my program files whenever my dial up connection gets turned on. It was looking like remote access to my computer. That means someone was tracking my system movements, by which I got in trouble. But, soon I found solution over this.

My uncle, who is a security engineer in IBM, had suggested me to install Kaspersky internet security. I followed their advice and get result within just 2 days. My system is now working flawlessly.

As uncle suggested, there are some constraints before you purchase any security software as follow that you should check:

Computer security is a field of computer science concerned with the control of risks related to computer use. The means traditionally taken to realize this objective is to attempt to create a trusted and secure computing platform, designed so that agents can only perform actions.

The actions in question can be reduced to operations of access, modification and deletion. Computer security can be seen as a sub field of security engineering, which looks at broader security issues in addition to computer security.

Computer security is a branch of technology known as information security as applied to computers. The objective of computer security varies and can include protection of information from theft or corruption, or the preservation of availability, as defined in the security policy.

Computer security imposes requirements on computers that are different from most system requirements because they often take the form of constraints on what computers are not supposed to do. This makes computer security particularly challenging because it is hard enough.

Furthermore, negative requirements are deceptively complicated to satisfy and require exhaustive testing to verify, which is impractical for most computer programs. Computer security provides a technical strategy to convert negative requirements to positive enforceable rules.

For this reason, computer security is often more technical and mathematical than some computer science fields. Typical approaches to improving computer security (in approximate order of strength) can include the following:

1) Physically limit access to computers to only those who will not compromise security.

2) Hardware mechanisms that impose rules on computer programs, thus avoiding depending on computer programs for computer security.

3) Operating system mechanisms that impose rules on programs to avoid trusting computer programs.

4) Programming strategies to make computer programs dependable and resist subversion.

Computer security is critical in almost any technology driven industry which operates on computer systems. The issues of computer based systems and addressing their countless vulnerabilities are an integral part of maintaining an operational industry.

The aviation industry is especially important when analyzing computer security because the involved risks include expensive equipment and cargo, transportation infrastructure, and human life.

Security can be compromised by hardware and software malpractice, human error, and faulty operating environments. Threats that exploit computer vulnerabilities can stem from sabotage, espionage, industrial competition, terrorist attack, mechanical malfunction, and human error.

There are several approaches to security in computing; sometimes a combination of approaches is valid:

1) Trust all the software to abide by a security policy but the software is not trustworthy (this is computer insecurity).

2) Trust all the software to abide by a security policy and the software is validated as trustworthy (by tedious branch and path analysis for example).

3) Trust software to enforce a security policy with trustworthy mechanisms. (This is a computer security policy).

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I am sure you have heard about it thousands of times on the Internet, the radio, and especially on television, which is identity theft. It sounds like such an obscure topic that could never affect you, but just like any other security topic, it can happen to you.

Usually when it does happen, it is quiet, yet destructive resulting in hurt credit, lost money, and personal stress. Do you understand the growing problem of identity theft and what it means to you? First of all, let us start by identifying how identity theft can happen exactly, and that way prevention measures can be set. According to the government, thieves will use six main ways to steal your identity.

The first step is through dumpster diving, which is probably one of the main ways thieves get information. People think that no one will go through their trash, and maybe they rip their information in half, but thieves will stop at nothing to get your identity. It is best to avoid any problems and just shred whatever documents and even CD’s or disks that contain personal information.

The second step is through skimming, which is when special storage devices are being used while processing your card that can store your information for later use. This can happen at run down stores and even at some higher end chain stores. The best way to prevent this is to pay with cash whenever you are at an unknown or untrustworthy store, and of course be savvy when using your card.

The third step is phishing, which is one of the newer ways to steal your identity brought on by the advent of the Internet. You go to a site you believe is trustworthy, a pop up appears asking for some information and you feel it out thinking you will win a free something or other, or you will get the product you need. Do not fall prey to this method! Use anti-phishing protection such as a security program, and be especially wary of pop ups asking for personal information.

The fourth step is done when you change your address. This is an interesting method, a thief sends your billing statements to another location by issuing a change in address form. This especially can be prevented by again shredding your bank, credit card, and subscription information, or anything else that has something personal on it.

The fifth step is simply old fashioned stealing. Thieves will steal wallets, purses, mail, which includes bank and credit card statements, pre-approved credit offers, new checks, or tax information. They steal personnel records, or bribe employees who have access.

The sixth step is by pretexting. Thieves may use a false identity such as bank employee or customer service representative to obtain personal information. The thief can then pretend to be you and make withdrawals and other financial transactions to steal your money. Be wary whenever someone asks for personal information such as a social security number or bank account number. As technology advances the problem will only be compacted. Inspect all your documents and take the extra minute or two to shred documents containing personal information. It is a fairly preventable problem, and one that you should take seriously to avoid major financial ruin.

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A graphics card is a piece of hardware installed in a computer that is responsible for rendering the image on the computers monitor or display screen. Graphics cards come in many varieties with varying features that allow for a price range that extends from about $20 US Dollars (USD) to $2,400 USD or more.
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Unless you’re very thorough when it comes to cleaning your computer, try these two little experiments. The first experiment is this: carefully turn your computer keyboard upside down, so that the keys are facing your desktop, and then shake your keyboard vigorously - perhaps even lightly tapping the bottom of it. Now have a look at your desktop.

The chances are you will be appalled at the mountain of dust, debris, crumbs, nail clippings and other assorted items of rubbish that have spilled out from between the keys. And remember, since the keys are hollow, the stuff on your desk is only the small amount of rubbish that managed to escape. However, don’t worry too much - you’re in good company. At least eight out of ten keyboards will produce a similar heap of dead skin and crumbs if inverted and shaken.

The second experiment may be slightly less disgusting, but nonetheless, quite revealing. Turn your monitor off, but continue to have a good look at it. Again, you may be appalled at the sudden realization of just how many greasy blobs, fingerprints and other grimy marks have appeared on your screen.

These two experiments simply reveal the natural build up of grime, grease and debris which is to be expected at any computer workstation. But apart from being rather disgusting, both of these aspects reveal a risk when it comes to health. Naturally, the keyboard looks the most disgusting. But remember this - everyone in your house may well touch the same keys, over and over again. In fact, in many households the computer keyboard is the most touched item - meaning it is the most continuously touched, and frequently touched object.

Naturally this means that every germ, every unhygienic bit of dirt, and every crumb that could moulder away for weeks is sitting right by your fingers every day, ready to attach themselves to your hands, allowing you to spread those germs wherever you go. Have you ever used the computer, then gone to make food? Now imagine all that filth beneath your fingertips becoming embedded in your food. Unpleasant isn’t it?

This is one of the reasons that cleaning your keyboard thoroughly is important. There are three ways to do this. Of course, the exercise you’ve just done is a start, but using a keyboard wipe, preferably an antibacterial one, is a good start. Also, using compressed air to quickly blast deep between the keys is another excellent way.

As far as your monitor is concerned, you may consider that there is no direct health risk here, and whilst germs are not to blame, there is nonetheless a risk to your health. If you find yourself staring at your monitor, and often finding it uncomfortable or resulting in headaches, it may be that you are focussing on the dirty marks on the screen, without even being aware of it. Your brain will subconsciously focus on the dirty marks on the screen, then on the data itself, and back again - causing headaches. Keeping your screen clean will help to reduce eye fatigue and headaches.

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Increasingly it seems that more and more devices are able to connect with our home computers and laptops, sharing data and files easily. Our mobiles, external hard drives, personal digital assistants, (PDAs), digital cameras, video cameras, web cameras and a whole host of other devices. Whilst being able to share data, move data around and connect all these different separate technological devices together is fantastic, there can sometimes be drawbacks. There are several possible ways in which these devices can connect to your computer, such as infra red and Bluetooth, but the most popular is USB.

In fact, even devices such as printers and scanners often use USB cables to connect to your computer. If you have a printer, a scanner, a digital camera, a web camera and a mobile phone, you may well find you already need five different USB sockets. The chances are that you only have two, although if you’re lucky you may have another two on the opposite side.

There are computers with more than this number, but on average between two and six USB sockets is about normal. This can prove to be a problem, which is why manufacturers have designed a wide range of USB hubs. These are devices which plug into one single USB socket, and then provide a further number of sockets for other devices. Effectively they work a little like multi adaptors for electrical sockets, in that one single socket becomes four, six or even eight sockets, all of which can be used independently from one another.

This is great news, and means that you can plug all of your devices in without having to keep unplugging and swapping devices all the time. This can be a real pain if the sockets happen to be at the back of your computer. With most computers underneath a desk, and backed up against the wall or rear of the desk, it can mean crawling around on the dusty floor pulling at your heavy box and pulling cables out, trying to work out which one is for which device.

But there can be another problem with USB devices. Since most sockets for devices are at the back of the computer, the length of cable needed to go from the back of the computer, up the side of the desk, and round to the front of the desk for a peripheral or device to be connected can easily be two metres. Most USB devices seem to come with cables that only extend as far as one metre. With eight devices all connected to your computer and restricted to being placed within a one metre radius, you can often find that they become cluttered and inconvenient.

This is why USB extension cables have been provided, and buying one or two of these can really make a difference. Whilst it’s true that data integrity may reduce over a long length of cable, a two or even three metre USB extension cable will not alter the performance of your device noticeably, but will provide much greater flexibility and ease of use.

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When it comes to computers and laptops, indeed almost any kind of security, one of the most important things to consider is security. But computer security comes in many forms. Most of us are wise enough to make sure that we install antivirus software, firewalls and spyware catchers to make sure that the data on our computers is reasonably safe. Perhaps some of the more security conscious of us take the time and trouble to make backups of our data and store these safely so that our vital information won’t be lost should the worst happen.

But installing software and making regular backups isn’t the whole story, and a surprising number of people overlook one of the easiest ways that someone can steal the data on your computer: they simply steal the computer itself.

Of course, in the home you may well have locks on your doors and windows, and an alarm system installed. But have you considered just how easy it is to pick up a laptop and walk off with it? They are one of the most regularly stolen items of technology, along with MP3 players and mobile phones, and for a very good reason. Laptops are relatively small, easily carried, easily wiped and easily sold. They represent a very good return for any would be thief.

Fortunately there are ways in which you can help to protect yourself, and keep your laptop safe. If you buy a good laptop lock, or cable lock, then these will deter all but the very determined thieves, and even then are likely to slow them down significantly. These locks work in a very simple way. If you examine the casing on your laptop carefully you will find a loop built in to the case itself. This is usually on a corner or edge, and may well be made of metal, or built with a metal core inside it.

A laptop lock is rather like a bicycle lock, in that it is a long, very strong metal cable that can be threaded through this loop on your laptop, and used to tie it to something that couldn’t easily be moved or removed. Drilling a hole in your desk, bolting a bracket to your wall or using some other means by which to attach your laptop securely is ideal.

This is particularly important in the workplace, where people often use laptops, and may often be called away to meetings, phone calls or for a chat with someone, leaving their laptop in their office. With many people walking about it can often prove very easy for a thief to pick up a laptop, drop it into a bag, and walk out with it. However, if the laptop is secured to the desk furniture or wall, then this is simply not possible.

These notebook locks can be bought with either a simple combination lock, or for increased security, a set of keys. However, if you do use a laptop lock, do make sure that you do not write down the combination number anywhere, and keep the keys with you, and not dropped into your top drawer, as this is the first place a thief will look.

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Often times a novice installer will conclude that there is a problem with their new motherboard if there is no response on the first boot attempt. It is important to realize that sometimes things do not work on the first try, then do not give up.

If you are not receiving any signs of power when you first hit the switch on the front of your case, the problem could be many things. The first thing to check may seem obvious, but any technician will tell you that it happens far too often. Check to ensure that the master on and off switch on the back of your power supply is set to the on position. This can be a very time consuming mistake so always check it first. No matter how great a troubleshooter you are, if your motherboard is not getting power it will not function.

Secondly, ensure that both the ATX Connector and ATX 12V connectors are plugged into the motherboard securely. The ATX connector is a 20-pin or 24-pin connector depending on your motherboard and the ATX 12V is a 4-pin connector. Both of these come directly from the power supply. In cases in which it is required, the ATX 12V connector will provide additional power required by a newer processor for proper operation. Without it, your processor will probably not start up and your system may seem unresponsive. Most new AMD and Intel motherboards require the added power so when shopping for a power supply it’s a good idea to make sure it is ATX12V or P4 ready.

Next, ensure that you have set the Clear-CMOS jumper correctly to the normal position. Some motherboard manufacturers set the Clear-CMOS jumper to clear while shipping to conserve battery life. The problem with this is that a motherboard cannot function with the CMOS set to clear. Other manufacturers simply leave the setting on normal to avoid the installation issue with users who do not know about it. What this means is that you never really know what has been set and should check the jumpers. For information on this, reference your motherboard manual to obtain the correct configuration. If the Clear-CMOS jumper is indeed set to clear, switch it to Normal before proceeding.

After ensuring that your power supply is properly connected to your motherboard and the jumpers are set, make sure that the power switch cable is plugged in correctly. The power switch on the front of your computer connects to your motherboard via a cable leading from the front of the chassis. This cable must be properly attached to the corresponding power switch pins as illustrated in your motherboard manual. It is very easy to plug this cable in incorrectly or to mix up pin assignments, so be very careful with this. Always reference the location and pins you are plugging into with the picture in your manual. With ATX power the on and off switching mechanism is vital, without a proper on signal received, your power supply will not trigger. Thus properly plugging in the switch becomes very important.

If you still have not gotten a response, check to make sure that you are not shorting out the motherboard. Ensure that the board is in no way touching the case chassis and that no metal touching the bottom of the motherboard is touching the chassis panel. Without properly attached spacers a motherboard could be shorted out and will fail to function. Also make sure that each spacer is correctly aligned with a hold on the motherboard. Some times stray spacers the are not aligned with a hole can create a path for current to flow and short out the board.

If none of the methods help you with your problem, you may want to look at compatibility issues with the components you are looking to install or possible failure issues with other critical components. If you know all of your devices to be functional there could be a problem with the motherboard itself. Before determining that, however, read the motherboard manual all the way through to see if there are any necessary steps that you skipped.

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Despite the fact that many people can become almost obsessed with improving the quality of their computer, by adding more memory, installing better software, adding another hard disk and buying a new monitor, a huge number of people overlook one of the most important aspects of keeping a computer running smoothly, and prolonging its life. This one aspect which is so important, yet so frequently overlooked or ignored, is cleaning.

Many people think that a quick wipe over the keyboard and monitor with a duster once a week is enough, but there are a number of reasons why it is extremely important to take the cleaning of your computer seriously - both inside and out. Not only will it help to improve the performance, reliability and life expectancy of your computer, but it can also prove to be a significantly important aspect as far as health is concerned.

You may notice that on the side of your computer, and possibly at the back, there is a vent. There may be more than one, but there will always be at least one vent, and just behind this vent is a fan. This is one of the loudest noises that you hear when your computer is running, and is important. The components inside your computer, particularly the processor and the disk drives, get extremely hot when your computer is running. The harder you work your computer, the hotter these components are likely to get.

The fan is therefore necessary in order to draw heat away from the computers, and expel it outside of the case, helping to keep a flow of cooler air running into and around the processor and drives. Without this fanning of heat away, the insides of your computer would quickly grow very hot indeed, and the result of this would be complete failure at the very least. Your components could burn out, and if you’re lucky, your computer will become utterly unusable and in need of replacement. If you’re not so lucky, your computer may even catch fire.

But what does this have to do with cleaning? Very simply, if a fan expels hot air, and there are vents and holes around the computer drawing in cool air, dust, hairs and other floating debris is drawn into the case of your computer, where it builds up a layer of insulation around the very components that are already getting dangerously hot. If the dust is not removed, then no matter how hard your fan works, it will achieve very little and your computer will become unreliable, shutting down randomly, crashing, freezing and eventually failing entirely.

For this reason, it is highly important that you use a simple aerosol spray which allows you to blast away the dust with short sharp bursts of clean compressed air. Simply unplug your computer from the mains, remove a side panel, and blow out the cobwebs and dust. You’ll extend the life of your computer, and help reduce the risk of fire. You may even find your computer runs a little more quietly too.

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The decreasing price of laptops, and their dramatically increasing capabilities have encouraged mobile computing like never before. People are now able to carry their laptops around as mobile offices, helping to increase productivity, flexibility and convenience. Even those who don’t require a laptop for their work still choose to carry one about with them to allow them to enjoy their own personal files, music, games and internet access whilst out and about.

This increased flexibility and mobility has resulted in the need for laptop cases and bags which represent the mobile office and maximise the convenience which is afforded by having a laptop. Yet these laptop cases and bags can often be purchased with less regard for convenience, security and adaptability, and if you are considering choosing a laptop bag then it is important to take time to consider a number of important options.

Very often a laptop manufacturer or retailer will throw in a free bag, or greatly discounted bag, to help encourage you to purchase the laptop itself. Don’t be fooled by this. Whilst occasionally these bags may be good value and worth having, in very many cases they are not the best that is available, and will fall far short of the standards which will make such a difference to you.

One of the most important aspects which you will undoubtedly be considering when purchasing a laptop bag will be the size. It would certainly not be good if you purchased a laptop bag and then discovered that your laptop barely fitted it, or didn’t fit it at all. Most laptops are reasonably standard in terms of size, and often laptop bags have a degree of flexibility built into them. You may even see bags sold with reference to the size of the screen which would be suitable. Therefore, if your laptop has a 17 inch screen, you may look for a laptop bag labelled as being suitable for a 17 inch screen laptop.

Yet one of the things often forgotten by many people is that you will undoubtedly need considerably more room than this. Your power cables will need to fit into the bag too. Sometimes these may fit into a side pocket or front pocket, but in most cases they need to be packed in the same main compartment as the laptop itself. Because cables are bulky, with large plugs and adaptors, they take up a good deal of room. Not only that, but you do not want to scratch the case of your laptop with the pins of a plug, neither will you want to crush your cables and leads for fear of damaging them.

Therefore it will be important to allow plenty of room for these cables to be packed to the side of your laptop. Also, think carefully about other items such as mobiles, chargers, pads, pencils, pens and other accessories, and make sure that any bag you choose has enough room, and enough separate compartments or pockets to cope. Don’t forget to plan for expansion - you might be buying a bigger mobile soon, so think big.

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Laptop bags and cases come in all sorts of shapes, colours, sizes and styles, but how much time and thought goes into choosing one? A great many people simply accept the free one, or the reduced one, that is often provided by the retailer of the laptop, and whilst this may be a reasonable laptop bag, it is unlikely to suit everyone’s needs. It is therefore very important that you take the time to think carefully about how you use your laptop, and what features or accessories will prove to be useful and valuable when choosing a laptop bag or case.

For example, a number of people take their laptops with them onto planes, and this often means carrying it around with your other luggage. This can prove cumbersome, but often it is considered too dangerous to simply lie the laptop bag on the trolley with your other luggage. For this reason most people carry their laptop on their shoulder. This represents a real problem, because laptops today are generally quite heavy and bulky, and carrying such a heavy bulky object around on your shoulder can be quite uncomfortable, and likely to cause you inconvenience.

To combat this problem, a number of laptop bags now have a bottomless pocket or flap built onto one of the sides, allowing you to slide the entire laptop bag down over the handles of the trolley. In this way your laptop bag is entirely safe, so long as you have hold of the trolley handle yourself, and at the same time relieves you of the duty of carrying a large, heavy weight around on one shoulder.

This is also related to the whole idea of ergonomically designed bags, and whilst no laptop bag is going to be able to reduce the physical weight or size of your laptop and various accessories, some laptops can prove very much more comfortable to wear than others. If the strap is too thin, it can often cut into your shoulder, proving quite painful. Some laptop bags have built in protectors, which are soft padded sections that can be moved up and down the handle, so that this provides a soft comfortable pad between the laptop bag and your shoulder. There are even some laptop bags than can be worn as backpacks, although it is of course very important to make sure that these bags close securely, preferably with a lock of some kind.

Another aspect to consider when buying a laptop bag is what other accessories and items you might wish to carry with you. Your mobile phone is one possibility, but you will not want this to be kept in the main compartment with your laptop. Instead it is likely that you will want a separate pocket that is a suitable size for your mobile so that it can be accessed quickly and easily if needed. Also, consider keys, coins, a wallet, pens, paper and other bits and pieces. All of these pockets should be reasonably secure, and not easily opened by someone walking past.

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In terms of not disturbing other people who may be nearby you whilst you are working on a computer, headphones and headsets represent not only peace and quiet for other people, but a certain amount of privacy for yourself. However, there are a few things to bear in mind if you are looking for a good headset, either for the first time or as a replacement for one you may have been using previously.

Increasingly, a number of people are using voice recognition software to create documents on a computer, rather than typing them in by hand. Most people can talk quicker than they can type, and with voice recognition software becoming increasingly sophisticated, and accuracy ratings now exceptionally good, this solution is often ideal for many office workers, and for people who work from home.

Any voice recognition software will, naturally, require excellent quality audio pickup. This means that your voice needs to be heard by the computer clearly, and accurately, without any static hiss, background noise or ambient echoes. Cheap or poorly made headsets may have microphones which do not carry voice data as accurately as the software would require. Using cheap headsets for this purpose can often result in very inaccurate recognition by the software, and your documents can become largely unintelligible. Certainly as far as being a time saving solution is concerned, you’ll probably end up spending far more time editing and correcting misheard words, and this will slow down productivity significantly.

It is much better, therefore, to spend a little more and purchase a headset which has a good quality microphone attached. This will dramatically improve the quality of sound, providing your voice recognition software with a clear, crisp and easily recognised stream of voice data, and you’ll find that you can quickly produce accurate documents in a fraction of the time.

Another handy feature is to have a small volume unit positioned part way down the cable running from the headset. These can often control two functions - the level of volume heard in the earphones, and the ability to switch the microphone on or off very quickly and easily. The latter can be very useful if you are dictating, and then suddenly want to answer the phone, talk to someone or even just clear your throat. It is much quicker to flick a switch in your hand than reach for the mouse, find the appropriate button, click it and wait for it to respond.

As far as volume is concerned, this is very important, as often sounds on a computer are played with little regard for normalisation. This means that one track might be very quiet, and the next quite loud, or sound effects or alerts played at a much higher volume. This can damage your hearing if you wear headphones for a good deal of time, and so being able to easily adjust the volume will allow you to listen to your computer with much less danger of discomfort or damage being caused.

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What sort of mouse should you buy? Unless you have investigated already you may not be aware of the huge variety of mice available. A computer mouse inevitably becomes an extension of your own hand, and one of the main ways in which you interact with your computer. You may well spend hours each day using your computer mouse, and for this reason it is very important that it is comfortable. A computer mouse must be accurate, reliable, smooth, comfortable and suited to the kind of computing which you employ.

If you do a great deal of work in the graphics industry or you enjoy art related activities at home, then you will require a mouse which is capable of working very accurately and reliably. Today mice are not mechanical, and unlike older mice which worked with a rubber ball and cogs, today mice work using optical imaging. But this optical imaging can be set to a number of resolutions. For cheaper mice, the resolution is very low, meaning that the mouse will move in a slightly jerky manner. This may be fine for most average users, but if you play very detailed 3D games, or do a great deal of graphical work, you will need a mouse capable of much higher resolutions. This will give a smoother control, and more accurate working.

Of course, you may prefer to use a graphics tablet for your art work. These can often double up as mouse mats, and many come with both a pen or stylus, and a mouse. The mouse will work on the tablet in the normal way, but the pen or stylus will allow you to draw freehand as though using a pen on paper.

Naturally comfort will be important for most people, and since people’s hand sizes and shapes vary tremendously it will be necessary to experiment and try out a number of mice. Many mice are sold as ergonomic, and these generally have a larger base, a good grip, contoured sides and buttons placed in convenient positions.

If your computer is used by the whole family, young children may need their own, smaller mouse, and when adults use the computer they may wish to switch to a larger mouse suitable for their own grip. This becomes more important if the amount of time the mouse is used is significant.

The average mouse has four or five buttons on it. Cheaper mice may just have two or three. For some people, especially gamers, it may be more useful to have a mouse with a larger number of buttons, and mice with six or seven buttons, all of which may be programmable, provides much greater flexibility and ease of use.

I tend to have two or three quite differently shaped mice, and after a few days swap them over so that my hand doesn’t become strained and tired through holding the same shape for days on end. This is a good way to keep your muscles rested, and prevent strain or an RSI related injury.

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Well they sure sound like it don’t they - pick a server from the anonymous proxy list and direct all your surfing through it. It does give the impression of security but I’m afraid it doesn’t quite tell the whole picture and in fact if you’re unlucky using this method may effectively give away your identity online.

The key to understanding the role of the anonymous proxy is really understanding what a proxy actually does. You’ve almost certainly used one at work or school if you have access to the internet. Very basically all your web requests are sent to this server and then directed out at the target site, the proxy server then forwards all the received information to your browser. The advantage is that your work or school can control what goes in and out of their network and has a list of every web page surfed.

When you use one of the free anonymous proxies from these lists that is what you are doing, sending all your information via this one server to forward all requests. The advantage and the reason people use them is that your own IP address is not logged on the server you visit (it logs the proxies address instead)

The disadvantage is that you basically hand all your web traffic to the owner of one server to control, the system administrator of the proxy server can access ALL your web traffic if they wish, as well as log all your activity as well. One of the other disadvantages is that you will almost certainly slow down your browsing substantially, these proxies almost inevitably get overused and it adds another hop to your browsing.

The other significant problem is that these anonymous proxy servers are usually hacked or misconfigured servers, they are often full of spyware and the real owners often have no idea t hey are being used as a proxy! If you use an anonymous proxy make sure you know who runs and administrates this server and that you are not using one owned by a European Hacking Crew!

To be anonymous on the internet you need to do much more than use an anonymous proxy server in any case. All your web traffic and your IP address are accessible across the wire and everything is logged at your ISP (for two years in Europe). HTML traffic is mostly sent in clear text, it’s perfectly readable as you’ll see if you ever start a sniffer at a wireless cafe or hotel.

I use a solution which combines a network of secure and private proxies (so I can change my location when I need) that is I can appear as a US surfer one minute, then use a German proxy a few minutes later. It also encrypts my connection completely using a military grade cipher called AES so nobody not even my ISP can view my connection. Obviously I have to pay a small charge for this but I would rather stay secure and anonymous and my browsing speed is not affected.

You can try the Free download of the program I use to protect my identity - Identity Cloaker.
Anonymous Browsing

or visit my blog - Anonymous Proxies and Stuff

John

Internet security programs and computers are two things that must go hand-in-hand. You have to be on the lookout for viruses that are transmitted through email, the Internet, file sharing or networking. A virus is designed to attack your computer without your knowledge. The consequences of a virus attack is devastating as you can lose important data and have files corrupted. You also can’t ignore the Internet threats. You can do many interactions online these days which makes life convenient, unfortunately that also means it’s easier for someone to steal your personal information, also known as identity theft. If you download files from the Internet, beware of spyware, adware and other malicious software that might come along with it. Now you know the dangers lurking around the Internet and the harm it can do to your computer, don’t you think it is wise to take appropriate measures such as installing an Internet security software?

You may say that you have anti virus or firewall on your computer but sad to say, that does not guarantee you are 100% safe. I’m sure you know by now that ever so often there is something new in the information technology realm. Hackers are always trying to manipulate new technology in their effort to steal or disrupt personal computers. That’s why Internet security software companies do not stop churning out better products to help people like you and also for corporate.

Users are always thinking about Internet security. Wouldn’t it great to find an Internet security program that could shield your system from every rogue threat and prevent lost or stolen data?

You don’t have to look far for such a software as many manufacturers have come up with all-round security Internet programs. Usually an Internet security software is an all-in-one security software that can protect your computer against virus, spyware, phishing, hackers, and spam. You may find it confusing when deciding which one to buy. Remember, the Internet security suite you want must be able to offer 100% protection from all forms of threat to your computer.

One aspect you shouldn’t overlook is updating your Internet protection software now and then. They are more and more harmful programs going around the Internet and you do not want to fall victim to one of them because you did not update your Internet safety software. If you don’t regularly update your Internet protection programs, you risk being infected by a new virus, worm, trojan or some other damaging program.

Daily, you can uncover a new destructive program. Is your Internet security program able to ward off these current programs? That is why update is crucial. Allow your security software to catch current Internet threats by installing new signatures. With new updates, it can keep up with all the current online threats. It is recommended that you do a weekly update of your security program’s components and database.

A lot of these Internet security software will use your computer’s memory and CPU. Don’t be surprise if your find your computer a little slower. You may find that it takes longer for your computer to boot up. With the help of new technological development, you will soon enjoy Internet security programs that do not cause such problems. That is why you need to upgrade your Internet security software from time to time.

Don’t underestimate online threats. Install the best defensive system such as Yoggie Gatekeeper Pico to ward off these invaders. This USB hardware can protect your PC, financial and personal information from the present Internet threats. It offers full protection that on equal ground to the Pentagon. Find out more about this device at http://www.merchantbuster.com/internetsafetysoftware/yoggiegatekeeperpico