Computer Studies
What is meant by an antivirus? Name different types of antivirus softwares.
Computer Virus
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Answer
An antivirus software is a computer program used to scan files. It detects, prevents, identifies and eliminates computer viruses and other malicious softwares. It also takes action to disarm or remove malicious software, such as viruses and worms, from a computer.
An antivirus software uses two different techniques to accomplish its job. They are:
- Examining files to look for known viruses by means of a virus dictionary.
- Identifying suspicious behaviour from any computer program which might indicate infection.
Examples of antivirus softwares are Kaspersky Antivirus, Quick Heal, Net Protector, AVG Antivirus, MCAfee etc.
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