What is Computer Virus ?

What is virus?, How do Virus enter the computer? these are the likely question one may ask as regard to what virus is and how virus enter the computer systems.

what is Computer Virus?
Virus is a written computer program written by computer programer which destroy computer and corrupt the general operation of the computer system.
Virus is written by programmer with either good or bad intention. One thing you must understand is that virus is not a good thing to the computer system. Virus corrupt and attack the system.
How Does Virus Enter The Computer
  
Virus affect the computer by a means of attacking the basic the Booting Sequence of the computer system. What virus doe is that if a virus enter the computer through either external storage device, it first of all go to the Hard Disk and take hold of the Master Boot Record and get regulate the booting Sequence of the computer. So ordinary, Virus start manifesting on the computer when i t has taken hold of the entire system.
Means through Which Virus Enter The Computer 
1.Virus enter the computer through the following mediums;
2.Through External storage like Flash Drive 
3.Through triggering of some action by the user 
4.Through downloading of some files on the internet
5.Through Installing of some program 
How To Prevent Virus 
a.Do the following to avoid virus to enter your computer system 
b.Avoid installing any kind of software 
c.Install Anti-virus to help secure your computer 
d.Try to avoid downloading any kind of files on the internet 

Conclusion
Virus is not a good thing on the computer so try as much as possible to avoid getting your computer infected by virus.