"Computer Virus"
Computer virus has not been strange anymore for the user of computer. Computer virus is a computer program that usually has small measures. It can cause a nuisance or damage of computer system. Based on the way of its work, computer virus consist of worm, Trojan, backdoor, spyware, rogue, root kit, polymorphic virus, metamorphic virus and ponsel virus.
Computer virus generally can damage computer software but it doesn’t damage computer hardware directly. If computer virus attacks computer ongoing, so it can damage computer hardware. Because it makes a program which forces process over to another system. So, it can copy itself and make activity resource of computer decrease significantly.
Computer virus can disturb computer user, because it can work alone without being ordered. For example, computer virus can format hard disk suddenly. It can cause nuisance of appearance desktop or change computer configuration. Consequently, we as user of computer cannot control computer system.
The existence of virus makes computer user using antivirus. Antivirus consists of freeware and unfreeware. We can get antivirus from internet by downloading it, but for unfreeware antivirus we must download and buy it. To update it, we must connect it to the internet and download its updated. If this condition goes on continuously, we will spend our money and our time for downloading it.
Actually computer virus is made by human. They want to get benefit but they inflect a financial loss for another computer user. I hope, people that make computer virus stop making it. They can make games, application or the other programs which are more beneficial to other people.
