What is a computer virus?
This is true virus is an Enemy of computers. If it Enter in a computer, The virus will destroy the computer. You know, a computer runs of two things combined. Without hardware and software, A computer never can be operate and open. You will be needed operating system, Multimedia, Graphics, Utility Etc software That each every computer users needed to run their computer. Except these Essential software's, a computer is like a dad body. It means, without software's a computer is nothing. A virus is a such software. But there is few difference between virus and Software. Peoples are use multimedia, Graphics, utility Etc software's for their Requirement fulfil. These programmes will do tasks by following of your command and Instructions. But By your command a virus never will do work .
How it spreads or comes :
What types problem a user fall in And How much Harmful for a user?
- An administrative user uses some important command for his own safety.
- All folders icon will be disappear or disable. Never works the option of showing hidden files.
- Sometimes there is seen that installition program doesn’t run rightly.
- Sometimes many important files is missed. It is happened when a user use a virus effected software. Computer will be slowing while you use an effected software Like anti-virus.
- PC is restarted or shut-down automatically. Sometimes Fully hanged when a virus attack on a PC.
- When you use Microsoft or Excel, huge temp files is created and stay on in a folders only for viruses. That virus name is Macro Virus. Commonly it affects Word & Excel.
- When you enter a pen-drive on your PC, there is created many unknown file.