Question

elaborate computer virus and its effect on the computer system. give answer in 100-150word​

Answer 1

Answer:

Computer Virus

A computer virus is a malicious program that self-replicates by copying itself to another program. In other words, the computer virus spreads by itself into other executable code or documents. The purpose of creating a computer virus is to infect vulnerable systems, gain admin control and steal user sensitive data. Hackers design computer viruses with malicious intent and prey on online users by tricking them.

One of the ideal methods by which viruses spread is through emails – opening the attachment in the email, visiting an infected website, clicking on an executable file, or viewing an infected advertisement can cause the virus to spread to your system. Besides that, infections also spread while connecting with already infected removable storage devices, such as USB drives.

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Answer 2

Computer virus is nothing but similar to any other software which has some predefined functioning of do’s and dont’s. Since, virus is something which has knocked down the world, a computer is just a piece of box to get it corrupted.
Computer virus has been made by humans only for preventing piracy of some of the popular computer softwares and operating systems.
Functioning of virus is done in such a way that it’ll corrupt your other files irrespective of its size, frequency of working, and type.

Virus can cause a huge damage to your computer system by deleting and corrupting some of the operating system files which are used to operate your computer.

Preventing from computer virus can be done by using antivirus softwares.

Examples of some of the popular antivirus softwares are : NPAV, McAfee, etc.

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