Computer viruses
What are computer viruses? What are its damages? What are its advantages?
Computer viruses: small external programs designed to change the properties of the files that they infect by executing some commands on them, for example, to delete, modify or destroy them, and have the ability to hide inside the computer, and all of this is done according to the goals they are designed for.
The most important damages that result from:
- Delete files, modify some of their properties, or change their contents.
- Poor computer performance.
- The computer restarts automatically every few minutes.
- The disappearance of important and necessary works, especially after
- Restart the computer.
- Problems appear in the installed applications.
- Distort application windows, menus, and files.
Characteristics (characteristics):
- These viruses cannot arise from themselves.
- It has the ability to reproduce and spread.
- It has the ability to link with other programs.
- It can be transferred from an infected computer to an uninfected (healthy) computer in many ways, the most important of which is the flash memory.