What is it called when someone uses software to run multiple operating systems on one computer at the same time? a. functional virtualization b. online virtualization c. operating system virtualization d. simulation

In the context of the box model, what is the difference between a margin and a padding? a. a padding lies outside a box border, while a margin lies inside it. b. a padding lies inside a box border, while a margin lies outside it. c. a padding can be adjusted independently, while a margin depends on the size of its box. d. a padding depends on the size of its box, while a margin can be adjusted independently.