Basic Facts About Scada Software

By Richard Brown

Scada programs are being extensively used for controlling complex equipments and whole plants. From SCADA, we mean Supervisory Control and Data Acquisition. It is in use for various complex systems and uses highly advanced man machine interfaces.

These are managed via a central computer that can guide various devices connected to it. Many methods are used for communication between the master and the other devices. The most commonly used ones are Ethernet, radio links and modems. The data about various devices is gathered with the help of sensors.

Various communication interfaces are used due to which the data is transmitted in various forms. Thus converters have to be used for conversion of data. All the information reaches the central unit where it is processed and analyzed regularly.

All the information is stored in the central database. It is where all parameters of various equipments are continuously tracked and controlled. These can be modified if a read / write permission is provided to them. All the equipments located near or far, will have them monitored this way.

There are two types of parameters used. These are analogue or digital. The SCADA software fetches them continuously and stores them. The program can then makes its calculations based on all those stored parameters.

The calculations made by SACA program can then help in supervisory control and data acquisition. Modern Scada software shows you a graphical representation of various objects on the computer screen.

Various details are fetched from equipments used all over the industrial unit. Some important parameters are pressure, liquid level, temperature, etc. These details can be seen on the computer screen graphically too.

Advanced SCADA software also allows administrators to set up some functionality to alert them when any parameter reaches a certain value. Automatic SMS or email alerts can be set up. Thus a plant is controlled from a central location using SCADA systems. - 30201

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Keeping Children with Mental Disorders Safe

By Marion Jones

Who are the predators? Predators are Cyber Stalkers, serial killers/rapists, rapists, paedophiles, women beaters, child abusers, thieves et cetera. Predators often have mental problems that keep them from functioning properly in normal society. Children with mental illnesses are often the victims of these predators, and sometimes children with mental illnesses are the predators themselves. In fact, the distributor of one of the most dangerous viruses online came from an eighteen-year old from England.

Dangers mental illnesses: Not everyone with a mental disorder is a danger to society. Generally, predators with mental disorders are plagued with sociopathic, psychopathic and anti-social disorders, oppositional defiance, conduct control disorders, schizophrenia, borderline personality disorders (BPD), and psychosis. While there are a few other mental illnesses that pose threats to our society, this is a list of the most common potential dangers that lurk on the streets and on the Internet.

How to save a child with mental disorders from dangers : Never treat your child as if he/she has a mental disorder. Treat your child as special, yet avoid treating the child as if he/she is mentally ill, since many mentally ill patients are extremely intelligent. Teach your child the same rules that other children must live by and stick to those rules. Do not leave room for doubt when danger is present. Teach your child respect by showing respect yourself.

Children with dangerous mental disorders will often want to watch pornography, violent images, content, et cetera. This makes it difficult as a parent to protect your child. However, it is important that you enforce the rules. Never put yourself in danger while enforcing these rules, since some children with dangerous problems may cause you harm.

If the child refuses to listen to you, bring in the police and make sure that they do their job to help you enforce the rules. You may have to pay court fees and go through all sorts of rigmarole, but I can promise you that it will benefit you in the end. As a mother who is raising two boys with dangerous mental illnesses, I can tell you it won't be easy but it can be done.

Children with mental disorders often have brilliant minds that can usually get past any parental controls and will do so without you even knowing. Take extra time than normal to monitor your child's behaviour online. Teach your child that giving out personal information is dangerous and encourage them to request your permission when considering giving name, phone number or other details online.

Leave room for your child to take some responsibility and always encourage your child to participate in family discussions that concern them. Encourage the child to protect their safety by encouraging them to report any misdemeanour committed against them.

One of the most difficult things you'll ever have to do while raising a child with mental health problems is teaching him/her to avoid from violent images and pornography. It is next to impossible to keep them clear of this trash. Still, it can be done, if you set a good example for the child to follow.

It is important that you keep talking and listening to your child. Allow your child to express concerns, opinions, ideals, theories and so forth without demeaning the child. You will be amazed at the wisdom children with certain mental disorders have, if you will only listen to them.

The best advice I can give you for dealing with children with major mental disorders, such as psychopathy, is to seek help and stand firm. For more child safety advice for children with mental disorders seek advice from a qualified professional.

Note Well: Children learn what they see and hear. - 30201

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Bullet Security Cameras: the Flexible Outdoor Camera

By Tony Sporando

Bullet cameras are extremely adaptable security cameras and are the bread and butter of the security world. Many have both day/night viewing. The quality of a Bullet Security Camera is based on two metrics: Chip Set and Resolution. The higher the resolution the sharper the video quality. Chip-sets in a bullet security camera range from a quarter inch (1/4") to to a third inch (1/3"). A larger chip-sets means the CCD image processor can take in more light, resulting in better video quality. All these factors play a role in the price and performance of each bullet camera.

Not all security cameras are ugly, obtrusive cameras. Bullet Security Cameras are known for their size, as many models can even fit into the palm of your hand. Bullet Security Cameras are light weight and are easy on the eyes. Their size also makes them less obvious.

Unlike many security cameras, bullet cameras can be used in almost any condition. Indoors or outdoors, in heat, in the cold, in the rain, in the wind -- bullet cameras can handle the elements. Many can operate in temperatures ranging from 200 degrees Celsius to -20 degrees Celsius. They can even survive hurricane conditions and will generally declare the wind speed at which they will still operate.

Some bullet cameras use infrared sensors that can detect when to kick on the infrared lights and automatically kick them into gear. Infrared security cameras allows you to have high resolution black and white video at night time.

Choosing a specific bullet camera model can be difficult. Here are some things to keep in mind: if a bullet cameras has 12 or more LED lights it should not be used indoors. This is because powerful LED lights can wash out the infrared sensors by reflecting off of flat surfaces. A bullet camera with that many lights was meant for larger spaces.

Because of their flexibility, bullet security cameras have a great deal of use in security systems, however they do have one issue that must be addressed. You do not want to use a bullet security camera near any reflective surface, such as glass windows, tables, certain large metallic objects, or walls with metal based paints. This is because reflections of the camera's lights can cause a bullet camera's infrared sensors to malfunction.

Secondly, when deciding upon a bullet security model you will need to also determine if you will need a fixed or vari-focal lens. A vari-focal lens gives you the option to manually adjust the camera to see at different distances. A fixed lens, just as it sounds, only allows for one viewing angle. Most bullet cameras can be purchased with both types of lenses and can be changed out as needed.

A bullet camera allows a security expert to purchase one product that can be used for almost any purpose that arises. It is truly the jack-of-all-trades in the security camera world. Because of this, bullet cameras are often the most economical solution to evolving security needs. - 30201

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Reverse Cell Phone Lookup - Online Investigating

By June Lydon

It's much better to choose a legitimate company, instead of loosing your time with the so called "free" directories which are nothing more than paid cell phone lookup websites in disguise. Even when (in rare cases) they let you gain access to the caller's name for free, the information they provide you with is either inaccurate or outdated.

With that in perspective, it is very important to be aware of this service. So, how does reverse cell phone look up exactly work? By feeding the mysterious number into the database, the service then searches for a match in its vast collection of mobile phone numbers that have been obtained over time. If available, the database can bring back the following details: the name of the caller, his or her address, and mobile carrier details.

Conducting a specific reverse cellular telephone number search can take some time. As a rule, cell phone companies are not allowed to create directories from cell phone numbers of their customers since these are classified as private numbers. Therefore, your only option when conducting a reverse phone number lookup for particular numbers is from third party providers.

An up to date reverse phone lookup is becoming necessary these days. People have been used to strange or unfamiliar calls for years but previously, there was no cheap solution to this problem. Hiring a private investigator used to be the only option and this is not your everyday solution that everybody can afford to a nagging yet small problem like this.

Once you have the number it is pretty easy to find the owner of the number. Just go to cell phone number reverse search website and pop the number in the search box. You will get a message telling you that the number is in the database and they have all the information you want.

There are many companies online which will offer this service, none of them are free, unless you are just searching for a phone number already posted in a public directory those are available from whitepages.com and anywho.com. All you have to do is type in a phone number with the area code first, click search and in a few seconds the information you need will be displayed. Don't go out and hire a private investigator, you will end up spending hundreds of dollars and waiting a month of Sundays to find out what they're up to.

These reverse cell phone lookup services give you several different options depending on how much you think you will use them. If you are just looking to find out the owner of a single number on one occasion then you can pay a small fee and be given this information. Alternatively, if you fancy playing private investigator for a longer period of time you can sign up for a subscription to your chosen service.

When using white pages for reverse phone lookups, remember that not all databases are created equal. That means you may strike out with one, but you may find what you need with another. There are quite a few, so try more than one when it seems the information is simply not out there. Sometimes you won't find a number this way, but it is usually a great first step in your search, and might even be the only one you need to try. - 30201

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Finding the Right Security Camera

By Chad Buie

Deciding upon a security camera can be complicated, with decisions that must be made about lenses, lighting, and camera type. This guide will cover the first three different camera types: bullet, infrared, and dome cameras.

Things change, but when they do so can a bullet security camera. A bullet camera's interchangeable lenses allow it to adapt to changing security needs, which often makes it less expensive than other cameras. Also many bullet cameras lenses have infrared technology that automatically detects when there is not enough light to capture color video.

Bullet security cameras make excellent outdoor cameras, as they are able to be used in hot, cold, rain, and even hurricane winds. They are extremely hardy cameras.

Infrared security cameras are the second type of camera, which only capture in black and white. This is caused because, infrared cameras work by measuring infrared radiation (IR). Infrared technology converts IR, which is a byproduct of heat, readings into video.

Considering an infrared security cameras have two rather large negatives to consider before deciding whether to implement one into your security camera setup. Number one, they do not work in daylight. This is because infrared security cameras measure infrared radiation, which is a byproduct of heat and the sun. Secondly, because they capture heat, like night vision goggles, they capture in black and white rather than color video.

The third type of security camera is a dome security camera. Dome cameras are the least expensive cameras around, but are generally only used inside, as they generally mount from above. Dome cameras also have protective shields which make tampering with them very difficult.

The dome on a dome security camera does have two drawbacks. First, it prevents most dome cameras from being used outside as most dome cameras must be hung from the ceiling. Secondly, dome camera's domes prevent these cameras from installing long distance lenses, so you will not be able to capture video beyond 300 feet.

In short, if you want to use a security camera outdoors it is best to use a bullet camera. If you need to see in complete darkness, the only option is to use an infrared camera or at least one with infrared technology. And lastly, a dome camera is an excellent camera to use inside, especially in hallways. - 30201

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Avoid Cyber Identity Theft Through Knowledge

By Wayne Allen

Cyber identity theft is a very real concern but it is really not that difficult. Knowledge is the best defence against cyber attacks. Once you start to use safe tactics online it will become second nature to you.

With the rising cost of petro fuel many people are doing their shopping at home online. Shopping in stores takes a certain security mind set but so does shopping at home on the internet. There is an old saying "follow the money" Scammers are taking that to heart.

When you indulge in online shopping you are relived from the stress of standing in line and dealing with other rude customers. Sometimes the employees are not in a great mood either. A person can stay in the comfort of their own home and accomplish shopping with just a few clicks of the mouse.

The best way to discourage thieves is through proper education. Make sure that your firewall is current and up to date. It is the best way to protect your computer from the outside world. A properly maintained firewall will filter data from the outside world.

A lot of people use one password for everything online. It is best to have a different password for every account but it is recommended to have a separate password for online banking and anything else that may involve money.

E-mails are another area where they are able to get in. You should never open an e-mail unless you are familiar with the person that sent it. Banks and other financial institutions will never ask for login info through an e-mail.

There are also activities that you can do with children and other family members that will allow you to supervise their use of the internet. If this is not possible to monitor them on a one on one basis you can supervise their activity on the net later. The sites that they like to visit online such as gaming or chat sites. It is important to know if they actually know the people that they come in contact with.

This will help you to set limits on their computer use. The sites that they visit should be age appropriate. It is not necessary to scare but instill in them a sense of awareness when they are on the net. This includes sites they are allowed to visit also. - 30201

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AVG Anti Virus - Free Virus Removal

By Ryan Wilks

AVG has been shown to be one of the greatest free virus removal programs available to this date. Whether you are shopping around for a retail version of antivirus or you know what you are doing around a computer and think you can be trusted with the free version, AVG performs well against the competition. You should still exercise caution when browsing the internet. AVG cannot prevent every virus from getting on your computer. Even though AVG is ranked fairly well against the competition, that doesn't mean it is amazing and will prevent everything. In the following article, I will discuss why we feel AVG is among the best free virus removal programs, and what makes people want to pay for the retail version.

To begin with, AVG is less resource intensive than many other anti virus software. What I mean by resource intensive is that it takes a lot of computer processor memory in order to run many of the Antivirus programs. For example, McAfee takes 5 times more hard drive space to install than AVG. It states that it requires the same amount of RAM however I feel that it actually uses far more. I was not able to find any information on how much CPU McAfee requires but AVG requires a Pentium with 300MHz so its not much and would be very hard to beat. Norton requires: 300 MHz or faster processor, 256 MB of RAM (**512 MB RAM recommended and required if you use the recovery tool), and 150 MB of available hard disk space. When running AVG, it is very difficult to tell any difference in performance of your computer even if you happen to be playing a game, which requires many of your computers resources. This is one reason I recommend it to anyone.

Secondly, AVG has an awesome detection rate. When it comes to viruses AVG has a 93% detection rate. Im sure the free version has a little less and the retail version of AVG has more but even so its pretty good at finding basically anything, even things that Norton and McAfee will miss.

Thirdly, and the best fact about AVG is that it's FREE! AVG free has been shown to beat many retail antivirus programs as well as many other free ones. So it would seem that the retail version of AVG should be great and well it is. It beats its own free version by increasing speed and efficiency plus a few more features. Now, you don't necessarily need the retail version if you know your way around a computer. You can just combine it with Spybot or Malwarebytes Anti Malware and be fine! If you aren't so good with computers I would recommend the retail version. It is much nicer to have protection than to get a hacker stealing your identity!

Finally, there are a number of programs that AVG is not compatible with. I just want to list those out here so if you have these on your computer you either need to not install AVG or remove the other program in order for it to work correctly. Webroot Spysweeper, ICQ toolbar, Session Manager 0.6.1.13 add-on, StumbleUpon Toolbar, System Protect, Dell Network Assistant, and Contafiscal 2000 are not compatible with various parts of AVG and having both on the same machine should be avoided.

To finish up, I highly recommend AVG to anyone looking for a free antivirus. It runs more efficiently and uses fewer resources than most of the other programs, finds a majority of the viruses, only has a few conflict programs and there is a version that is completely free with no strings attached. Are you looking for a great addition to your computer? Want to add that extra layer of protection so your password can stay your password? I would recommend making the effort to get AVG Free today. You will not be disappointed with this free virus removal and scan. - 30201

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