When drawing with the Pencil tool, what does an asterisk (*) next to the cursor

Which type of operating system would be best when implementing a new computing system for an industrial plant that will require an accurate system to receive and process inputs, and calculate the expected outputs in a specified period?

A. real-time B. time-sharing C. multiuser D. client/server

The cell that has a heavy border and whose reference appears in the Name box is referred to as the ____________________ cell.

Fill in the blank(s) with the appropriate word(s).