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A virus is a small piece of software that piggybacks on real programs. For example, a virus might attach itself to a program such as a spreadsheet program. Each time the spreadsheet program runs, the virus runs, too, and it has the chance to reproduce by attaching to other programs
Courtesy: howstuffworks.com
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Computer virus and its offers on computer system?
A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code. In the process, a virus has the potential to cause unexpected or damaging effects, such as harming the system software by corrupting or destroying data.
What software does not require a user to assist in its propogation?
Standalone software that does not require a user to assist in its propagation is often called a computer virus or just a virus.However, in order for a virus to propagate (transmit a copy of itself) to another computer, there must be something on the second computer that allows the virus to be accepted and to run/execute. It could be a person not aware of the virus that allows it to be accepted. It also could be software on the destination computer that, by design or as a result of faulty programming, intentionally or unintentionally allows the virus program to enter the computer and become active.
Abbreviation and definition of virus computer?
definition of a computer virus definition of a computer virus
Ways of activating a computer virus?
There are many ways to execute a virus and it all depends on the class of virus. For example, a basic virus is activated when you click on it. More dangerous viruses such as Trojans, can be "passive", meaning it can be activated without you having to click on it. Really, it all depends on how the virus is programmed.
How can a computer virus affect your CPU?
Viruses affect your computer's CPU by consuming both CPU time and resources. A virus is just like any other program: it needs dedication from the CPU to properly execute. This can cause the CPU to slow down significantly if your computer is infested with viruses, since the computer cannot respond to each and every process in a timely manner. There is also such thing as a "CPU virus". These viruses infect and damage the actual hardware of a computer. Since it is damaging the hardware of a computer rather than the software, the restoration afterwards can be pricey and there can be little to do to stop the virus from destroying your computer.
Does a computer with no display have a virus?
Every computer could have a virus but if you use your computer carefully it can be impossible for the virus to come to your computer.
Which answer best identifies stand alone software that does not require to user assist propogation?
a worm
How do you protect my computer from the cookie virus?
Usually not. A text file should is not able to transmit a virus, which is what a cookie almost always is. It needs to be an executable file. However your internet broweser may have flaws that would cause it to execute code in a cookie... and in that way it could transmit a virus.
What is difference between scanning virus and removing virus?
Scanning virus only help to find the virus inside your computer disks, but do no other actions, virus is still in your computer. But Removing virus not only find it, but also remove the virus from your computer. Thus no such virus will remain in your computer after that.
If you quarantined your computer viruses does that mean that you are safe or do you have to remove the viruses completely?
If the virus has been quarantined then you are safe because the virus cannot execute its commands. You are safe when it comes to that single virus. However it is very likely that your system is infected by other malware so you want to launch a complete scan.
What are discussion forums which focus on computer virus issues called?
Virus-L and computer virus are discussions forums which focus on computer virus issues
Disadvantages of computer virus?
back uses of computer virus
