What is a computer virus? 9 Articles

by Raleigh Stout

A computer virus is unwanted executable code. It is placed on a computer system to be executed without the informed consent of the owner/operator. Avenues of placement are as varied as connection points to the computer s...read more

by Leigh Goessl

There are all kinds of things that can affect a computer using harmful programming code and this is referred to as Malware. The most common types of Malware are worms, Trojan horses, back door entry and of course the good ...read more

by Artemis

Computer virus is just a program, like any other programs. The only difference is just how it's designed, and the objective behind its design. Computer virus is not a biological virus, or anything close to it. So, computer...read more

by Thomas De Reyck

A virus is a (usually malicious) self-replicating entity, that, due to the replication process, can consume large amounts of resources, making these unavailable for rightful resource consumers. The above is a universal ...read more

by ko

I know for a fact that I will never have to worry about a computer virus on any of my computers. I do not use any virus protection software, nor do I use a firewall of any sort. I simply use MAC address filtering at my r...read more

by Andy Hu

A virus is a program that has the ability to clone itself. Computer viruses can spread fast and they are hard to eradicate. They can be attached to any type of file and they are spread as files copied and sent from person ...read more

by sqyd

A virus by definition outside the computing world, is a self replicating infection. Just as it is in the case of a computer virus, and many comparisons can be made between the two separate scenarios. A virus, in the biol...read more

by Mary Hale

According to wikipedia.org, a virus "is a computer program written to alter the way a computer operates, without the permission or knowledge of the user." The entire purpose of a virus is to cause damage and destruction o...read more

by David Robinson

A virus is a malicious program which has been created with intent to steel, delete and currupt files. Viruses are also used to crash systems by using all resources or exploiting bugs in certain programs pr the operating sy...read more