They don't. They affect your computer.
Their computer could get infected with the virus. Their computer could get ruined. :(
The effects of a computer virus is loss of information or your computer will shut down or your computer might just break and you will need one depending on the type of virus you have so becareful on what you download or open.
it can delete your programs
The virus can make a computer run slower than usual, or stop the computer from working.
No known computer virus has ever had a good effect. They are malicious and damaging.
the effect of a virus in a computer can harm and crash your computer if it isn't scanned by a security program but if your talking about a virus in the human body it makes you sick or just multiplies and leaves
By neutralizing it or deleting it. To see its effects, then get an old computer and let it get a virus and see what happens.
Very Bad consequences and can cause damage to your computer.
Some of the damages virus can do to a machine;delete filescopy filesshare fileslock filesmonitor your activitydestroy the hard drive
It scans your computer for viruses
No
To prevent virus in computer you can use some antivirus apps and being very careful about clickable links.