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Nt1310 Unit 3 Assignment 1 Antivirus

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Antivirus is a computer software that has the capability to prevent and protect your computer from dangerous malicious codes. This software can offer a peace of mind even for experienced computer users, who doesn’t want to mess up with viruses.
Antivirus programming works in two different ways. Firstly, it has a huge "lexicon" of virus database and it sweeps the files and documents in a system and tags them if they are known to be viral and also it screens the framework of any suspicious action. Another technique includes -making a bait document in critical file systems and monitor about any changes to the document. It has the ability to identify any user interventions and also the changes from any external sources.
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Once these file extensions downloaded from Internet and executed in your local PC – these viruses gets loaded additionally along with the original files. The second category is those that can infect system files or boot-records. The third one is the Macro viruses which are typical- these viruses can insert unwanted words or phrases in a word processing system application.
Enough reading viruses! Let’s return to anti-virus once more.
The anti-virus examines the files by employing a virus wordbook as the target here to seek out the noted viruses. In the second technique, it identifies the suspicious behavior of any computer program that indicates the infection in the computer.
Virus wordbook approach
A wordbook of noted viruses has been created by the author of anti-virus software package. Once anti-virus software package examines a file, it then refers to the current wordbook. Just in case, a chunk of code within the file matches with the virus known within the wordbook then anti-virus either deletes that file or quarantines it. So this infected file becomes inaccessible to alternative

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...Antivirus is used to detect and remove virus in a computer, smartphones, tablets and other technical devices. Before knowing about the antivirus lets first study why antivirus is use and how it is used and what it is. Now the first question arise is what is the need to use antivirus so the answer is computer virus yes because of computer virus we use antivirus. A computer virus is a mischievous computer program. It enters in the computer without the permission or without the knowledge of user and even run without the permission of user in the computer. Computer virus are very dangerous and mischievous that they automatically copy the date and pasted it to memory over memory its transferring power is to much that it copy the data over network and network very quickly it sometime damage the computer program also computer virus is too dangerous it can create lots of loss to the user. The user who don’t pay attention to the virus and don’t listen about it it’s a great mistake they are doing. The person who are working on the computer whether the small work or the big should have the knowledge of computer virus. Virus is like our enemy and pre protection from enemy is good. And to protect computer from virus antivirus is use. Virus are off different type boot sector virus, macro...

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