Referring to the accompanying figure, to group report data by a field, you would click a field, then click the ____ button.

The ________ feature prevents unauthorized users from making changes to a worksheet

A) Lock Cells B) Protect Sheet C) Protect Workbook D) Lock Sheet

A closed chain of processes exists, such that each process holds at least one resource needed by the next process in the chain is the condition of __________

A) ?no preemption ? B) ?mutual exclusion C) ?circular wait ? D) ?hold and wait