Hello guys today i am going to share with you what is virus? How its harm?
Computer viruses are small software programs that are designed to spread from one computer to another and to interfere with computer operation.
A virus might corrupt or delete data on your computer, use your email program to spread itself to other computers, or even erase everything on your hard disk.
There are many types of computer viruses
File virus : Most viruses fall into this category. A virus attaches itself to a file, usually a program file.
Boot sector virus : These viruses infect floppy and hard drives. The virus program will load first, before the operating system.
Macro Virus : This is a new type of virus that use an application's own macro programming feature to distribute themselves. Unlike other viruses, macro viruses do not infect programs; they infect documents.
Virus Hoax : Although there are thousands of viruses discovered each year, there are still some that only exist in the imaginations of the public and the press - known as virus hoaxes.These viruses hoaxes DO NOT EXIST, despite rumor of their creation and distribution.
A virus can do any things with running programs on a computer. The actual effect of any particular virus depends on how it was programmed by the person who wrote the virus. Mostly virus damage or remove data from computer
So be careful when open a mail attachment because it is a first way to virus attrak.