You can get a virus by going on websites that contain avirus. But you would not know when the virus is in your desktops it can multiply depends what kind of virus is it when the computer slows down or something else, have a scan made by your computer when it is found delete or clean the virus.
A computer virus is a program written by somebody to do a job; any further detail is either illegal or requires textbooks. A biological virus is a simple replicator, and can be created quite easily (in theory) in a laboratory from pieces of genetic code.
Computer Viruses are made by programming. The person makes a computer program that has harmful functions and finds a way to deploy it to other people's computers or emails. The virus is usually hidden in a link.
Viruses do not have their own metabolism, and require a host cell to make new products.
Viruses used to be made by kids for fun.
Now days they are big business with professionals involved.
It is written in a programming language
No, it is not.
There are no real "Helpful Viruses". Viruses are viruses. They make things go wrong with your computer.
They are evil
uncareful people
100%
People are trolls
The people who made computer virus are unkown.
no computer viruses are good they can make your computer not do commands that you make it to Trojans in particular can disguise them selves as a helpful program and then get information from you, you should install Microsoft security
I'm not sure but, it can make your computer quite slow .. If you have a software that protects your computer from viruses then thats good (y)
Malicious (evil) people create computer viruses.
yes it gives you viruses and may make your computer crash
There are hunderds of ways it will make your desktop differ. For example: - Computer Viruses could disable all programs you have. - Computer Viruses could turn off your Anti-Virus. - Computer Viruses could block Internet from you.