Computer virus is a term given to man-made computer software or system to destroy computer programs or computer. Virus destroys data, useful application, programs and even the operating system. Computer virus hide themselves in other host files. They are not visible to us. The viruses can corrupt, delete files and programs.
The first computer virus "C-Brain" was developed in 1987 to stop illegal reproduction of software developed from Alvi's Brain Computer shop.
But nowadays, viruses are developed for the following purposes:
Computer Viruses affect the computer in many ways. It can destroy data, files or programs and cause the system malfunction. The destructive effects of viruses are different according to their types.
Some of the effects of virus are as follows:
When a host file or program is used, the virus become active and tries to infect other files.
Computer viruses can spread from one computer to another computer by the following ways:
All the computer viruses have different characteristics. But all viruses affects the computer anyway.
If the computer is affected by the viruses, we can find the following symptoms:
Computer virus is a destructive program that disturbs the normal functioning of a computer. It is designed intentionally to harm data, information and programs of the computer. When a virus enters in file or program, it becomes active and performs its destructive tasks.
Any four reasons for creating computer viruses are as follows:
Any four destructive effects of computer viruses are as follows:
Computer viruses can spread from one computer to another computer by following ways:
Any four symptoms of computer viruses are as follows:
System infector virus infects the various parts of the operating system or master control program software.
Some reasons for creating viruses are:
Viruses spread from one computer to other computers by following ways: