What happens when we are busy, fun to do the work computer suddenly we use instead impaired can result in a mess of our work files and lost without us knowing why. Maybe we'll upset, angry and too lazy to continue the work. Yes, it is one of the impact caused by viruses that attack our computers.
Indeed the virus reproduces and attacks without the computer owner's knowledge. Viruses do actions multiply himself and attacked. Viruses do any action to destroy the virus because the program to destroy. Because the virus is often a scourge for us because it often causes confusion in our work.
There are many definitions of the virus. There are definite as a software virus that is destructive and have the ability to reproduce themselves. Another definition states that the virus is a program that can be attached to other programs and have the ability to reproduce themselves. Specifically, there are also interpreted as a program that the virus reproduces itself by attaching its code on an executable file (*. exe) to run. Simple example infected executable file is a program file *. com or *. exe, file attachments or library files are also used by the EXE file.
In addition to the above understanding, the virus can also be defined with the following criteria:
1. The virus has the ability to duplicate themselves. These duplications may vary, depending on type of the virus itself.
2. Viruses need a place to reproduce itself, like a good file contained in the servers, workstations, disks, documents, or System Boot Record.
Understanding of many of the viruses, it can be concluded that the virus is a program or software that can replicate itself in a source code with the intent to do something in the computer system without the computer user aware, and usually causes damage to the infected computer.
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