Which of the following enables computers to run multiple operating systems and multiple software applications at the same time and creates what seems to be multiple independent machines all on a single computing device? A. Cloud computing B. Private branch exchange C. Software as a Service D. Virtualization E. Availability

Jason is working on a microsoft excel worksheet and he wants to create a print preview shortcut. his teacher asks him to access the customization option to create the new shortcut. which two tabs should jason select to place the print preview shortcut on the worksheet toolbar? a. new tab (custom) and new group (custom) b. new file tab (custom) and new tab (custom) c. new custom group and new command d. new custom tab and new command