Point out the correct statement:. a. A virtual machine is a computer that is walled off from the physical computer that the virtual machineis running on
b. Virtual machines provide the capability of running multiple machine instances, each with their own operating system
c. The downside of virtual machine technologies is that having resources indirectly addressed means there is some level of overhead
d. All of the mentioned

Fast answer i need for apex ! smartphones should be banned from the classroom in public schools so that students cannot cheat on test so easily? which is an example of a counter argument to the thesis above? a.the classroom is a place for learning not for making phone calls b. smartphones are useful learning tools in the modern classroom c.banning smartphones will not students pay attention to teachers any better d. banning smartphones would decreased incidents of theft