Final answer:
A computer abuse technique involving a virus that replicates on different mediums and networks is called a worm. This malicious software uses the resources of infected systems to spread and create more copies of itself.
Step-by-step explanation:
A computer abuse technique called a worm involves a virus that replicates itself on disks, in memory, or across networks. This differs from other types of malware such as back doors, which provide remote access to a computer; logic bombs, which execute malicious code in response to certain conditions; and Trojan horses, which disguise harmful code as legitimate software. Viruses, like worms, require a host cell to replicate, and they use the infected cell's resources to produce more copies of themselves, which can then infect adjacent cells and repeat the replication cycle. The release of new virions allows them to spread to other cells or systems, much like biological viruses that infect host cells and commandeer their machinery to reproduce.