vi·rusˈvī-rəs pluralviruses 1 : filterable virus 2 :a disease or illness caused by a virus 3 : compare trojan horsesense 2 wormsense 5 Etymology from Latinvirus"poison, venom, secretion" Medical Definition virus noun vi·rusˈvī-rəs ...
Virus definition: an ultramicroscopic (20 to 300 nanometers in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals. See examples of VIRUS used in a sentence.
Understanding the computer virus definition helps you realize that PC viruses are dangerous and can cause a lot of problems. Knowing about computer virus threats and how they work, spotting the warning signs, and following simple prevention tips can help you keep your devices safe. Remember: emplo...
Define Virus (computing). Virus (computing) synonyms, Virus (computing) pronunciation, Virus (computing) translation, English dictionary definition of Virus (computing). n., pl. -rus•es. 1. an ultramicroscopic , metabolically inert, infectious agent t
The concept of a computer "disease" seemed rather foreign in 1989 when this caption from the definition for virus in "The Computer Glossary" was published. Back then, nobody would have believed that millions of viruses were to follow.
computer virus code that has been designed to furtively copy itself into other such codes or computer files. It is usually created by a prankster or vandal to effect a nonutilitarian result or to destroydataransomware , such as that of military secrets from government computers; (2) vandalism...
Virusis often a catch-all term used to refer to any kind of software created to be harmful. But a virus is just one type of malware, and the definition of a virus is that it’s a computer program that can self-replicate, infect other programs, and spread to other computers....
Computer Virus Definition A computer virus is an ill-natured software application or authored code that can attach itself to other programmes, self-replicate, and spread itself onto other devices. When executed, a virus modifies other computer programmes by inserting its code into them. If the vir...
Once a virus has infiltrated a computer, it can infect other system software or resources, modify or disable core functions or applications, or copy, delete or encrypt data. Some viruses begin replicating as soon as they infect the host, while other viruses lie dormant until a specific trigger...
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