Final answer:
Server virtualization is the term that describes when one physical machine hosts multiple activities that are normally done on multiple machines.
Step-by-step explanation:
The term that describes when one physical machine hosts multiple activities that are normally done on multiple machines is called server virtualization.
In server virtualization, a single physical server is divided into multiple virtual machines, each running its own operating system and applications. This allows for better utilization of hardware resources, reduces costs, and simplifies management.
For example, in a data center, multiple virtual machines can run on a single physical server, each serving different purposes such as hosting websites, running database servers, or running application