The question asks to identify the software where a cell with a dark boundary is called the active cell.
In spreadsheet applications, the active cell is the currently selected cell where data can be entered or modified. This cell is visually highlighted, typically by a thick or dark border.
Therefore, the cell with the dark boundary in MS Excel is called the active cell.
The correct option is A.
To adjust the screen resolution or change the desktop background in Windows, which of the following would a user typically access?