Developers in your organization are concerned about moving away from physical equipment to
virtual machines as they don’t understand what a VM is. You explain that a VM is:

A.
A conceptual framework for developing operating systems.

B.
Similar to a physical computer, except many VMs can run on the same hardware.

C.
The same thing as a physical computer.

D.
A conceptual framework for developing applications.

Explanation:
http://en.wikipedia.org/wiki/Virtual_machine