Virus Definition - Virus in Computer Virus Definition - Virus in Computer  (nTElls)



Virus Definition - Virus in Computer
By Rita Emma In Basic Computer Training On 26th January 2020

Rita Emma
wrote in Basic Computer Training
Posted on 26th January 2020
Last edited 2nd October 2020 01:32:56 AM
https://ntells.com/news/virus-definition-virus-in-computer
313

Virus Definition - Virus in Computer

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Computer Virus Definition
   Virus is a program which can covertly transmit itself between computers via network(especially the internet) or removable storage such as disks and USB drives, often causing damage to system and data. Computer virus is a disease that causes the computer to misbehave or not to work well. Virus can do so many bad things to your system. 

   Virus gets into the system through e-mail messages, documents, audios, videos, images, the use of an infected disks (e.g floppy disk, hard disk, compact disk etc). 

   Virus is a bad program written by bad people to destroy programs and files. There are over millions of computer virus and more virus is created every day. When a virus affects a system it makes the system run slow or even stop responding, virus also destroys your system files. 

Virus in Computer
Effects of virus to your system 
1) It can reduce the size of your screen. 
2) It can make your screen to behave like sea waves. 
3) It writes some funny words on your screen. 
4) It destroys files on disks. 
5) It will prevent the flow of data and instructions. 
6) It may prevent the printer to print information. 
7) It hides the cursor so that you cannot see what your are typing. 

Virus Infection Meaning and Prevention
How to protect your system from virus
  Prevention is better than cure is your first option against a virus. These are some ways to protect your system from virus :

1) The use of Antivirus software
     Antivirus is a piece of software that is used to detect delete or neutralize computer-based viruses. It can also be said to be a computer program which is used to prevent, detect and remove the virus. Examples of antivirus software are McAfee, AVG, CPA, Kaspersky, Disk tool, Dr Solomon, Norton Disk Doctor, etc. 
   Having an antivirus in your system will ensure that most threats or virus are blocked before they can install on your system. 

2) Keep your software updated
    Ensure to keep your software up to date. Apply any updates as soon as they are released. If your software have automatic updating, ensure to turn it on. 

3) Avoid suspicious websites

4) Always back up your system

5) Use a strong password

6) Prevent the use of infected disk on your system, scan all external disk before use

Conclusion 
   I hope from my article you have been enlightened on the effect of virus on your system and how to prevent it from getting into your system.




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