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Example research essay topic: Anti Virus Software Computer Virus - 869 words

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A computer virus is a program that attaches itself to, overwrites and / or otherwise replaces another program in order to reproduce itself without the knowledge of the computer user. Generally, the first thing a virus does is attach itself to other executable files in such a way that the virus code is in effect when the infected files are run. Viruses may be written to multiply, to damage other programs, or to alter certain data. A computer virus is nothing more than a computer program that is coded to remain hidden in your computer. The virus takes advantage of the operating system to copy itself onto other files or disks. When a new disk is inserted into an infected computer, the virus then copies itself onto files on that disk.

When an infected disk is inserted into another computer, the virus then copies itself onto files on that computers hard drive. The cycle continues as long as files are shared between computers. Booting your computer with an infected floppy disk is one of the most common was of catching a virus. Downloading a file from the Internet or an online service is another common way of catching a computer virus. Most reputable Internet sites and online services now scan all their files for viruses but that still does not guarantee that all their files will be virus free. You can also catch computer viruses from E-mail attachments.

While you can not catch a virus from simply reading an E-mail message, viruses can be spread through programs or office application files that may be sent as attachments to E-mails. Always save and scan any E-mail attachment for viruses before opening the attachment. The most important thing you should do to protect your system and your data is to install a reputable anti-virus program on your computer. There are many companies that currently provide this type of software and many of them offer free downloadable trial versions from their web sites.

All anti-virus software have different options or settings that you can select to optimize its scanning properties. Many anti-virus programs now also offer the ability to automatically scan any file you download from the Internet or any file that you may receive as an attachment to an E-mail. In order for your anti-virus software to remain effective, you must update it regularly for the simple fact that there are new viruses being introduced at an alarming rate. All anti-virus software companies offer regular updates to combat these new viruses. Some offer these updates free from the internet once you purchase their software, and some charge a fee for their updates. This is something to consider as you shop around for your anti-virus software.

No anti-virus software is 100 % effective. Therefore, any anti-virus protection strategy should also include regular back-ups of your data. This wont prevent any viruses but it will reduce your computers down time if you ever catch one. Here are some indications that you may have a computer virus. Programs take longer and longer to load.

Hard drive runs even when you are not accessing it. Files appear on your computer with strange names that you dont recognize. Strange graphics appear on your computer monitor. Your conventional memory is less than it used to be.

Programs act strange or erratically. This is not to say that your computer has a virus if it displays one of these symptoms. There may be some other problem causing the behaviour. The above examples are just some common indicators of a virus.

Computer viruses are not always responsible for the damage of computers. Damage to hardware, such as Keyboards and monitors are not caused by viruses. Though you may experience strange behaviors such as screen distortion or characters not appearing when typed, a virus has, in fact, merely affected the programs that control the display or keyboard. Not even your disks themselves are physically damaged, just what's stored on them. Viruses can only infect files and corrupt data. Although schools are not seriously targeted for viruses, every precaution should be considered to ensure that the risk of getting a virus is minimal.

I have proposed a virus policy which ensures that the risk of getting a computer virus will be minimal. Getting authorisation from teachers to load files from home for educational purposes. Scanning disks while being accompanied by a teacher. No downloading and uploading programs onto the computers from the Internet or disks. Use computers and the Internet solely for educational purposes. While very few people have actually seen a computer virus, they are real and they are here to stay.

As the software companies develop new and improved methods to combat viruses, new viruses appear to defeat them. In conclusion, one fact remains. If you are on of the millions of computer users surfing the Internet or uploading files from disks, you need to be aware of the threat of computer viruses and protect yourself accordingly. Bibliography: Symantec Corporation, (2000), Norton AntiVirus (v 5. 01. 01) CNET Corporation, (2000), (WWW), All you need to know about computer viruses, web (accessed 14 September 2000) Ca milleri, W. L. , (2000), (WWW), Computer Viruses, CHASS, web (accessed 11 September 2000)


Free research essays on topics related to: anti virus software, educational purposes, computer virus, e mail, hard drive

Research essay sample on Anti Virus Software Computer Virus

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