Any of various submicroscopic agents that infect living organisms, often causing disease, and that consist of a single or double strand of RNA or DNA surrounded by a protein coat. Unable to replicate without a host cell, viruses are typically not considered living organisms, A computer program or series of commands that can replicate itself and that spreads by inserting copies of itself into other files or programs which users later transfer to other computers. Viruses usually have a harmful effect, as in erasing all the data on a disk, A harmful or destructive influence

Of or relating to the propagation of information, ideas, or trends by means of social networks rather than conventional mass media, virology Of or relating to a biological virus, computing Of the nature of an informatic virus; able to spread copies of itself to other computers, noun_ marketing A video, image or text spread by "word of mouth" on the internet or by e-mail for humorous, political or marketing purposes

A place or collection containing records, documents, or other materials of historical interest, A long-term storage area, often on magnetic tape, for backup copies of files or for files that are no longer in active use, transitive verb_ To place or store in an archive, Computers To copy or compress (a file) into an archive

The entire number of copies of a publication issued at one time or from a single set of type, the form in which a text (especially a printed book) is published, something a little different from others of the same type