The name box in spreadsheet software displays the reference of the currently selected cell or a named range.

9. The name box in spreadsheet software displays the reference of the currently selected cell or a named range.

The correct option is B.

• A. File name: This is shown in the title bar.
• B. Cell reference: This is what the name box displays (e.g., A1, B5).
• C. Chart name: This is specific to charts, not the name box.
• D. Sheet name: This is shown on the sheet tabs.

The final answer is $\boxed{\text{B}}$

10. A cell reference in spreadsheet software typically consists of a column letter followed by a row number.

The correct option is B.

• A. 1A: This format is incorrect; the letter comes before the number.
• B. A1: This is the standard format for a cell reference (column A, row 1).
• C. AA: This refers to a column, not a specific cell.
• D. 11: This is a number, not a cell reference.

The final answer is $\boxed{\text{B}}$