When you've finished drawing a table in PowerPoint using the drawing tool, press the ________ key

How often does the AutoRecover feature save a Word document (by default)?

A) Every twenty minutes B) Every ten minutes C) Every fifteen minutes D) Every five minutes

________ are software systems that make using computers more convenient or users, application developers and system administrators.

a) Operating systems b) Applications c) GUIs d) None of the above.