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In information security , computer virus is a manmade program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. From behavior computer virus in a way is a similar biological virus which pervasions by inserting itself into living cells. Cell by cell and all organisms (computer) is ridden virus cells.
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Computer is not only a device anymore which is just used for mathematical calculations and storing files and presentation but it has now turned in to full fledged entertainment multimedia center as one can now play movies, music, videos and even do video conferencing and so on. Computer games have also now evolved in to a very huge industry with more and more people getting in to PC games and becoming an avid player. This is why having a good set of computer speakers is a must to ensure that your gaming, music listening, video chatting and movie watching experience is enhanced to a different level.
Have you ever wanted the high quality sound that goes with having a Pro Logic type sound system without having to pay a small fortune? I recently discovered that surround computer speakers are a good cheap alternative that you should seriously evaluate. I’m really glad that I did, because I couldn’t be more happy with the quality of my sound setup — and it didn’t break my bank account!
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If you are new to computing, or at least new to computer security, understanding the threats and how to protect your computer can be overwhelming. The information in this section will help you understand the fundamentals that you need to know in order to secure your PC and protect yourself and your data as you use it. This section contains a collection of tips, how-to’s and other advice to help you understand the basics of computer and network security.
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Computer errors are very common and every computer user may face different kinds of issues so they should learn about the solutions of the common computer related problems. The common factors that cause problems in computer are viruses, spyware, Trojan horses, adware, corrupted registry, faulty hardware, low memory, low capacity hard disk, low CPU speed and stuffing computers with large number of software applications. In this article, I have compiled a list of the most common computer problems and their solutions.
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For some reason or another we all have issues with putting stuff on our computers. Many of us add more and more stuff the more that we get interested in. It is human nature to explore our world and wonder about topics and research things. Many of us get into trends and our computers suffer from it. For example, some people will go through a video game phase. For months you may play either online games or go buy games beat them and buy more games. All of this is what can harm your computer and make it slow. Yes we all agree that a computer is suppose to be a machine that works for you but what happens when it slows down so much that you cannot take it anymore. What do we do? Do we just not follow human nature and not research things within our world? Or maybe we should just stop trying new things? I think many of us all know that this cannot be done and that is a freedom as a human being.
Our computers get slow for a couple of reasons.
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Computer firewall is an OS based software designed to control the access to unauthorized content on a network or a computer system. It works with predefined set of rules, according to which it decides whether to block or allow access.
Windows firewall is the firewall application used by many windows users. It acts quickly to the attacking Trojans and blocks the access to those networks. Access to the blocked networks is possible only when the setting of the application is changed.
This firewall technology was found in the 1980s, when internet itself had not reached the people widely. Routers were used to separate network accessibility and the demand for network security was not necessary.
The growth of the internet has brought in to the introduction of many firewall applications, each one having different features.
Windows firewall is an application offered for free with the purchase of Windows OS.
Since the function of the firewall is based on the set of rules, it can often become worthless, if not configured properly. Optimized analysis has to be done on a computer followed by changes in the settings for complete protection.
The functions of a Computer firewall are classified into three generation sets. All three functions are necessary to provide online and offline support. These generation sets control the installation, copying and sharing of a file. Read More »
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Computer mouse has been one of the input devices in the computer or laptop. It has become a mandatory accessory since couple of decades. It has been quiet popular in giving enhanced control of the screen display. The computer mouse depicts as a pointer in the display screen. The computer mouse has evolved over the years and varied technologies have been introduced. Each of the technological advancement in this front has enabled better controlling and sensitivity to the mouse input.
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In recent years, the world has grow to be technology driven and something critical tool behind all this that we no longer can do without is the computer. It is the basis of most of the operations that people have in business, in training, in communication and entertainment, and it went way past only the storage of information. The computer has created plenty of our work easier, and once it comes to be integrated with the internet, the range of applications that exist are just unbelievable. This is just what draws many of us to purchase this device.
However, just as it is with other electronic devices, the computer needs to be properly maintained so that it performs at its peak, and for quite a while, because these things do not come cheap. You should ensure that as you buy the computer, especially if it is a desktop computer, that you get dust covers for the electronic device. This is so as to prevent the dust from building up on the monitor or into the hardware of the computer that could ruin its proper working.
The computer should also be kept clean so that it is able to perform the duties you want it to as you expect. Dust is one thing that could be quite damaging to the parts of the computer, especially the CPU. Do not just clean the outside, but the more valuable inside. There are tools available in the market that is just appropriate for this. If you are still not sure about how to go about this process, you could hire a qualified technician who would be happy to doo this and you would not have to fear about getting the computer damaged in the process.
When it comes to the software of the computer, proper file management is essential to the great performance of a computer. One thing that you could do is to delete files that you no longer use, especially if they are two years old or more. Such files are said to reduce the processing speed of the computer which is one of the important aspects of the computer. You should also install a great anti-virus program. Viruses are really dangerous to the proper working if a computer and you should not even think twice about the antivirus, and as long as you are using your computer, especially the internet you should invest in a proper antivirus.
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