what is computer virus name first pc virus
Answers
Answer:
what is virus?
virus is nothing but a piece of coding that enters your computer without your knowledge and infects it
types of virus :
1.boot sector virus : it harms the boot sector of the computer. removable media will be spreaded by this virus. i.e. hard discs will be infected.
2.direct action virus : this type of virus directly attacks the computer.
3.resident virus : this type of virus gets installed in computer and it is hard to identify this type of virus.
4.multipartite virus: this virus spreads in multiple ways as the name describes. it infects the boot sector and executable files (.bat , .com)
5.polymorphic virus: it is a type of viru which automatically changes it's code when it passes to a different machine.
6.overwrite virus: this type of virus will destroy the original code by overwriting the code.
7.spacefiller virus: it affects the system by changing the functionality of it. it can rewrite some particular codes.
so why is virus named as vital information under siege:
virus is namede vital information under siege because the vital information is getting seized by the computer.
cant we escape from these viruses:
we can escape these by installing antivirus in our computers such as avg antivirus and quickheal. these will protect your computer by acting as a firewall.