Question

what is computer viruses? how we can prevent it ​

Answer 1

a piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.is called camputer viruses

They are spread by viruses, worms, or downloaded software. Spyware can install on your computer without your knowledge. ... Rogue security software can prevent applications, such as Internet Explorer, from opening. Rogue security software might also display legitimate and important Windows files as infections.

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